js_mind修改了支持单节点是否可编辑属性editable
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/** * @license BSD * @copyright 2014-2023 hizzgdev@163.com * * Project Home: * https://github.com/hizzgdev/jsmind/ */ ; (function ($w) { 'use strict'; console.warn("The version is outdated. see details: https://hizzgdev.github.io/jsmind/es6/") // set 'jsMind' as the library name. // __name__ should be a const value, Never try to change it easily. var __name__ = 'jsMind'; // library version var __version__ = '0.5.7'; // author var __author__ = 'hizzgdev@163.com'; // an noop function define var _noop = function () { }; var logger = (typeof console === 'undefined') ? { log: _noop, debug: _noop, error: _noop, warn: _noop, info: _noop } : console; // check global variables if (typeof module === 'undefined' || !module.exports) { if (typeof $w[__name__] != 'undefined') { logger.log(__name__ + ' has been already exist.'); return; } } // shortcut of methods in dom var $d = $w.document; var $g = function (id) { return $d.getElementById(id); }; var $c = function (tag) { return $d.createElement(tag); }; var $t = function (n, t) { if (n.hasChildNodes()) { n.firstChild.nodeValue = t; } else { n.appendChild($d.createTextNode(t)); } }; var $h = function (n, t) { if (t instanceof HTMLElement) { n.innerHTML = ''; n.appendChild(t); } else { n.innerHTML = t; } }; // detect isElement var $i = function (el) { return !!el && (typeof el === 'object') && (el.nodeType === 1) && (typeof el.style === 'object') && (typeof el.ownerDocument === 'object'); }; if (typeof String.prototype.startsWith != 'function') { String.prototype.startsWith = function (p) { return this.slice(0, p.length) === p; }; } var DEFAULT_OPTIONS = { container: '', // id of the container editable: false, // you can change it in your options theme: null, mode: 'full', // full or side support_html: true, view: { engine: 'canvas', hmargin: 100, vmargin: 50, line_width: 2, line_color: '#555', draggable: false, // drag the mind map with your mouse, when it's larger that the container hide_scrollbars_when_draggable: false, // hide container scrollbars, when mind map is larger than container and draggable option is true. node_overflow: 'hidden' // hidden or wrap }, layout: { hspace: 30, vspace: 20, pspace: 13, cousin_space: 0 }, default_event_handle: { enable_mousedown_handle: true, enable_click_handle: true, enable_dblclick_handle: true, enable_mousewheel_handle: true }, shortcut: { enable: true, handles: { }, mapping: { addchild: [45, 4096 + 13], // Insert, Ctrl+Enter addbrother: 13, // Enter editnode: 113,// F2 delnode: 46, // Delete toggle: 32, // Space left: 37, // Left up: 38, // Up right: 39, // Right down: 40, // Down } }, }; // core object var jm = function (options) { jm.current = this; this.version = __version__; var opts = {}; jm.util.json.merge(opts, DEFAULT_OPTIONS); jm.util.json.merge(opts, options); if (!opts.container) { logger.error('the options.container should not be null or empty.'); return; } this.options = opts; this.initialized = false; this.mind = null; this.event_handles = []; this.init(); }; // ============= static object ============================================= jm.direction = { left: -1, center: 0, right: 1, of: function (dir) { if (!dir || dir === -1 || dir === 0 || dir === 1) { return dir; } if (dir === '-1' || dir === '0' || dir === '1') { return parseInt(dir); } if (dir.toLowerCase() === 'left') { return this.left; } if (dir.toLowerCase() === 'right') { return this.right; } if (dir.toLowerCase() === 'center') { return this.center; } } }; jm.event_type = { show: 1, resize: 2, edit: 3, select: 4 }; jm.key = { meta: 1 << 13, ctrl: 1 << 12, alt: 1 << 11, shift: 1 << 10 }; jm.node = function (sId, iIndex, sTopic, oData, bIsRoot, oParent, eDirection, bExpanded) { if (!sId) { logger.error('invalid node id'); return; } if (typeof iIndex != 'number') { logger.error('invalid node index'); return; } if (typeof bExpanded === 'undefined') { bExpanded = true; } this.id = sId; this.index = iIndex; this.topic = sTopic; this.data = oData || {}; this.isroot = bIsRoot; this.parent = oParent; this.direction = eDirection; this.expanded = !!bExpanded; this.children = []; this._data = {}; }; jm.node.compare = function (node1, node2) { // '-1' is alwary the last var r = 0; var i1 = node1.index; var i2 = node2.index; if (i1 >= 0 && i2 >= 0) { r = i1 - i2; } else if (i1 == -1 && i2 == -1) { r = 0; } else if (i1 == -1) { r = 1; } else if (i2 == -1) { r = -1; } else { r = 0; } //logger.debug(i1+' <> '+i2+' = '+r); return r; }; jm.node.inherited = function (pnode, node) { if (!!pnode && !!node) { if (pnode.id === node.id) { return true; } if (pnode.isroot) { return true; } var pid = pnode.id; var p = node; while (!p.isroot) { p = p.parent; if (p.id === pid) { return true; } } } return false; }; jm.node.is_node = function (n) { return !!n && n instanceof jm.node; }; jm.node.prototype = { get_location: function () { var vd = this._data.view; return { x: vd.abs_x, y: vd.abs_y }; }, get_size: function () { var vd = this._data.view; return { w: vd.width, h: vd.height } } }; jm.mind = function () { this.name = null; this.author = null; this.version = null; this.root = null; this.selected = null; this.nodes = {}; }; jm.mind.prototype = { get_node: function (nodeid) { if (nodeid in this.nodes) { return this.nodes[nodeid]; } else { logger.warn('the node[id=' + nodeid + '] can not be found'); return null; } }, set_root: function (nodeid, topic, data) { if (this.root == null) { this.root = new jm.node(nodeid, 0, topic, data, true); this._put_node(this.root); return this.root; } else { logger.error('root node is already exist'); return null; } }, add_node: function (parent_node, nodeid, topic, data, direction, expanded, idx) { if (!jm.util.is_node(parent_node)) { logger.error('the parent_node ' + parent_node + ' is not a node.'); return null; } var node_index = idx || -1; var node = new jm.node(nodeid, node_index, topic, data, false, parent_node, parent_node.direction, expanded); if (parent_node.isroot) { node.direction = direction || jm.direction.right; } if (this._put_node(node)) { parent_node.children.push(node); this._reindex(parent_node); } else { logger.error('fail, the nodeid \'' + node.id + '\' has been already exist.'); node = null; } return node; }, insert_node_before: function (node_before, nodeid, topic, data, direction) { if (!jm.util.is_node(node_before)) { logger.error('the node_before ' + node_before + ' is not a node.'); return null; } var node_index = node_before.index - 0.5; return this.add_node(node_before.parent, nodeid, topic, data, direction, true, node_index); }, get_node_before: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return null; } else { return this.get_node_before(the_node); } } if (node.isroot) { return null; } var idx = node.index - 2; if (idx >= 0) { return node.parent.children[idx]; } else { return null; } }, insert_node_after: function (node_after, nodeid, topic, data, direction) { if (!jm.util.is_node(node_after)) { logger.error('the node_after ' + node_after + ' is not a node.'); return null; } var node_index = node_after.index + 0.5; return this.add_node(node_after.parent, nodeid, topic, data, direction, true, node_index); }, get_node_after: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return null; } else { return this.get_node_after(the_node); } } if (node.isroot) { return null; } var idx = node.index; var brothers = node.parent.children; if (brothers.length > idx) { return node.parent.children[idx]; } else { return null; } }, move_node: function (node, before_id, parent_id, direction) { if (!jm.util.is_node(node)) { logger.error('the parameter node ' + node + ' is not a node.'); return null; } if (!parent_id) { parent_id = node.parent.id; } return this._move_node(node, before_id, parent_id, direction); }, _flow_node_direction: function (node, direction) { if (typeof direction === 'undefined') { direction = node.direction; } else { node.direction = direction; } var len = node.children.length; while (len--) { this._flow_node_direction(node.children[len], direction); } }, _move_node_internal: function (node, beforeid) { if (!!node && !!beforeid) { if (beforeid == '_last_') { node.index = -1; this._reindex(node.parent); } else if (beforeid == '_first_') { node.index = 0; this._reindex(node.parent); } else { var node_before = (!!beforeid) ? this.get_node(beforeid) : null; if (node_before != null && node_before.parent != null && node_before.parent.id == node.parent.id) { node.index = node_before.index - 0.5; this._reindex(node.parent); } } } return node; }, _move_node: function (node, beforeid, parentid, direction) { if (!!node && !!parentid) { var parent_node = this.get_node(parentid) if (jm.node.inherited(node, parent_node)) { logger.error('can not move a node to its children'); return null; } if (node.parent.id != parentid) { // remove from parent's children var sibling = node.parent.children; var si = sibling.length; while (si--) { if (sibling[si].id == node.id) { sibling.splice(si, 1); break; } } node.parent = parent_node; parent_node.children.push(node); } if (node.parent.isroot) { if (direction == jm.direction.left) { node.direction = direction; } else { node.direction = jm.direction.right; } } else { node.direction = node.parent.direction; } this._move_node_internal(node, beforeid); this._flow_node_direction(node); } return node; }, remove_node: function (node) { if (!jm.util.is_node(node)) { logger.error('the parameter node ' + node + ' is not a node.'); return false; } if (node.isroot) { logger.error('fail, can not remove root node'); return false; } if (this.selected != null && this.selected.id == node.id) { this.selected = null; } // clean all subordinate nodes var children = node.children; var ci = children.length; while (ci--) { this.remove_node(children[ci]); } // clean all children children.length = 0; // remove from parent's children var sibling = node.parent.children; var si = sibling.length; while (si--) { if (sibling[si].id == node.id) { sibling.splice(si, 1); break; } } // remove from global nodes delete this.nodes[node.id]; // clean all properties for (var k in node) { delete node[k]; } // remove it's self node = null; //delete node; return true; }, _put_node: function (node) { if (node.id in this.nodes) { logger.warn('the nodeid \'' + node.id + '\' has been already exist.'); return false; } else { this.nodes[node.id] = node; return true; } }, _reindex: function (node) { if (node instanceof jm.node) { node.children.sort(jm.node.compare); for (var i = 0; i < node.children.length; i++) { node.children[i].index = i + 1; } } }, }; jm.format = { node_tree: { example: { "meta": { "name": __name__, "author": __author__, "version": __version__ }, "format": "node_tree", "data": { "id": "root", "topic": "jsMind Example" } }, get_mind: function (source) { var df = jm.format.node_tree; var mind = new jm.mind(); mind.name = source.meta.name; mind.author = source.meta.author; mind.version = source.meta.version; df._parse(mind, source.data); return mind; }, get_data: function (mind) { var df = jm.format.node_tree; var json = {}; json.meta = { name: mind.name, author: mind.author, version: mind.version }; json.format = 'node_tree'; json.data = df._buildnode(mind.root); return json; }, _parse: function (mind, node_root) { var df = jm.format.node_tree; var data = df._extract_data(node_root); mind.set_root(node_root.id, node_root.topic, data); if ('children' in node_root) { var children = node_root.children; for (var i = 0; i < children.length; i++) { df._extract_subnode(mind, mind.root, children[i]); } } }, _extract_data: function (node_json) { var data = {}; for (var k in node_json) { if (k == 'id' || k == 'topic' || k == 'children' || k == 'direction' || k == 'expanded') { continue; } data[k] = node_json[k]; } return data; }, _extract_subnode: function (mind, node_parent, node_json) { var df = jm.format.node_tree; var data = df._extract_data(node_json); var d = null; if (node_parent.isroot) { d = node_json.direction == 'left' ? jm.direction.left : jm.direction.right; } var node = mind.add_node(node_parent, node_json.id, node_json.topic, data, d, node_json.expanded); if (!!node_json['children']) { var children = node_json.children; for (var i = 0; i < children.length; i++) { df._extract_subnode(mind, node, children[i]); } } }, _buildnode: function (node) { var df = jm.format.node_tree; if (!(node instanceof jm.node)) { return; } var o = { id: node.id, topic: node.topic, expanded: node.expanded }; if (!!node.parent && node.parent.isroot) { o.direction = node.direction == jm.direction.left ? 'left' : 'right'; } if (node.data != null) { var node_data = node.data; for (var k in node_data) { o[k] = node_data[k]; } } var children = node.children; if (children.length > 0) { o.children = []; for (var i = 0; i < children.length; i++) { o.children.push(df._buildnode(children[i])); } } return o; } }, node_array: { example: { "meta": { "name": __name__, "author": __author__, "version": __version__ }, "format": "node_array", "data": [ { "id": "root", "topic": "jsMind Example", "isroot": true } ] }, get_mind: function (source) { var df = jm.format.node_array; var mind = new jm.mind(); mind.name = source.meta.name; mind.author = source.meta.author; mind.version = source.meta.version; df._parse(mind, source.data); return mind; }, get_data: function (mind) { var df = jm.format.node_array; var json = {}; json.meta = { name: mind.name, author: mind.author, version: mind.version }; json.format = 'node_array'; json.data = []; df._array(mind, json.data); return json; }, _parse: function (mind, node_array) { var df = jm.format.node_array; var narray = node_array.slice(0); // reverse array for improving looping performance narray.reverse(); var root_node = df._extract_root(mind, narray); if (!!root_node) { df._extract_subnode(mind, root_node, narray); } else { logger.error('root node can not be found'); } }, _extract_root: function (mind, node_array) { var df = jm.format.node_array; var i = node_array.length; while (i--) { if ('isroot' in node_array[i] && node_array[i].isroot) { var root_json = node_array[i]; var data = df._extract_data(root_json); var node = mind.set_root(root_json.id, root_json.topic, data); node_array.splice(i, 1); return node; } } return null; }, _extract_subnode: function (mind, parent_node, node_array) { var df = jm.format.node_array; var i = node_array.length; var node_json = null; var data = null; var extract_count = 0; while (i--) { node_json = node_array[i]; if (node_json.parentid == parent_node.id) { data = df._extract_data(node_json); var d = null; var node_direction = node_json.direction; if (!!node_direction) { d = node_direction == 'left' ? jm.direction.left : jm.direction.right; } var node = mind.add_node(parent_node, node_json.id, node_json.topic, data, d, node_json.expanded); node_array.splice(i, 1); extract_count++; var sub_extract_count = df._extract_subnode(mind, node, node_array); if (sub_extract_count > 0) { // reset loop index after extract subordinate node i = node_array.length; extract_count += sub_extract_count; } } } return extract_count; }, _extract_data: function (node_json) { var data = {}; for (var k in node_json) { if (k == 'id' || k == 'topic' || k == 'parentid' || k == 'isroot' || k == 'direction' || k == 'expanded') { continue; } data[k] = node_json[k]; } return data; }, _array: function (mind, node_array) { var df = jm.format.node_array; df._array_node(mind.root, node_array); }, _array_node: function (node, node_array) { var df = jm.format.node_array; if (!(node instanceof jm.node)) { return; } var o = { id: node.id, topic: node.topic, expanded: node.expanded }; if (!!node.parent) { o.parentid = node.parent.id; } if (node.isroot) { o.isroot = true; } if (!!node.parent && node.parent.isroot) { o.direction = node.direction == jm.direction.left ? 'left' : 'right'; } if (node.data != null) { var node_data = node.data; for (var k in node_data) { o[k] = node_data[k]; } } node_array.push(o); var ci = node.children.length; for (var i = 0; i < ci; i++) { df._array_node(node.children[i], node_array); } }, }, freemind: { example: { "meta": { "name": __name__, "author": __author__, "version": __version__ }, "format": "freemind", "data": "<map version=\"1.0.1\"><node ID=\"root\" TEXT=\"freemind Example\"/></map>" }, get_mind: function (source) { var df = jm.format.freemind; var mind = new jm.mind(); mind.name = source.meta.name; mind.author = source.meta.author; mind.version = source.meta.version; var xml = source.data; var xml_doc = df._parse_xml(xml); var xml_root = df._find_root(xml_doc); df._load_node(mind, null, xml_root); return mind; }, get_data: function (mind) { var df = jm.format.freemind; var json = {}; json.meta = { name: mind.name, author: mind.author, version: mind.version }; json.format = 'freemind'; var xmllines = []; xmllines.push('<map version=\"1.0.1\">'); df._buildmap(mind.root, xmllines); xmllines.push('</map>'); json.data = xmllines.join(' '); return json; }, _parse_xml: function (xml) { var xml_doc = null; if (window.DOMParser) { var parser = new DOMParser(); xml_doc = parser.parseFromString(xml, 'text/xml'); } else { // Internet Explorer xml_doc = new ActiveXObject('Microsoft.XMLDOM'); xml_doc.async = false; xml_doc.loadXML(xml); } return xml_doc; }, _find_root: function (xml_doc) { var nodes = xml_doc.childNodes; var node = null; var root = null; var n = null; for (var i = 0; i < nodes.length; i++) { n = nodes[i]; if (n.nodeType == 1 && n.tagName == 'map') { node = n; break; } } if (!!node) { var ns = node.childNodes; node = null; for (var i = 0; i < ns.length; i++) { n = ns[i]; if (n.nodeType == 1 && n.tagName == 'node') { node = n; break; } } } return node; }, _load_node: function (mind, parent_node, xml_node) { var df = jm.format.freemind; var node_id = xml_node.getAttribute('ID'); var node_topic = xml_node.getAttribute('TEXT'); // look for richcontent if (node_topic == null) { var topic_children = xml_node.childNodes; var topic_child = null; for (var i = 0; i < topic_children.length; i++) { topic_child = topic_children[i]; //logger.debug(topic_child.tagName); if (topic_child.nodeType == 1 && topic_child.tagName === 'richcontent') { node_topic = topic_child.textContent; break; } } } var node_data = df._load_attributes(xml_node); var node_expanded = ('expanded' in node_data) ? (node_data.expanded == 'true') : true; delete node_data.expanded; var node_position = xml_node.getAttribute('POSITION'); var node_direction = null; if (!!node_position) { node_direction = node_position == 'left' ? jm.direction.left : jm.direction.right; } //logger.debug(node_position +':'+ node_direction); var node = null; if (!!parent_node) { node = mind.add_node(parent_node, node_id, node_topic, node_data, node_direction, node_expanded); } else { node = mind.set_root(node_id, node_topic, node_data); } var children = xml_node.childNodes; var child = null; for (var i = 0; i < children.length; i++) { child = children[i]; if (child.nodeType == 1 && child.tagName == 'node') { df._load_node(mind, node, child); } } }, _load_attributes: function (xml_node) { var children = xml_node.childNodes; var attr = null; var attr_data = {}; for (var i = 0; i < children.length; i++) { attr = children[i]; if (attr.nodeType == 1 && attr.tagName === 'attribute') { attr_data[attr.getAttribute('NAME')] = attr.getAttribute('VALUE'); } } return attr_data; }, _buildmap: function (node, xmllines) { var df = jm.format.freemind; var pos = null; if (!!node.parent && node.parent.isroot) { pos = node.direction === jm.direction.left ? 'left' : 'right'; } xmllines.push('<node'); xmllines.push('ID=\"' + node.id + '\"'); if (!!pos) { xmllines.push('POSITION=\"' + pos + '\"'); } xmllines.push('TEXT=\"' + node.topic + '\">'); // store expanded status as an attribute xmllines.push('<attribute NAME=\"expanded\" VALUE=\"' + node.expanded + '\"/>'); // for attributes var node_data = node.data; if (node_data != null) { for (var k in node_data) { xmllines.push('<attribute NAME=\"' + k + '\" VALUE=\"' + node_data[k] + '\"/>'); } } // for children var children = node.children; for (var i = 0; i < children.length; i++) { df._buildmap(children[i], xmllines); } xmllines.push('</node>'); }, }, }; // ============= utility object ============================================= jm.util = { is_node: function (node) { return !!node && node instanceof jm.node; }, ajax: { request: function (url, param, method, callback, fail_callback) { var a = jm.util.ajax; var p = null; var tmp_param = []; for (var k in param) { tmp_param.push(encodeURIComponent(k) + '=' + encodeURIComponent(param[k])); } if (tmp_param.length > 0) { p = tmp_param.join('&'); } var xhr = new XMLHttpRequest(); if (!xhr) { return; } xhr.onreadystatechange = function () { if (xhr.readyState == 4) { if (xhr.status == 200 || xhr.status == 0) { if (typeof callback === 'function') { var data = jm.util.json.string2json(xhr.responseText); if (data != null) { callback(data); } else { callback(xhr.responseText); } } } else { if (typeof fail_callback === 'function') { fail_callback(xhr); } else { logger.error('xhr request failed.', xhr); } } } } method = method || 'GET'; xhr.open(method, url, true); xhr.setRequestHeader('If-Modified-Since', '0'); if (method == 'POST') { xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8'); xhr.send(p); } else { xhr.send(); } }, get: function (url, callback) { return jm.util.ajax.request(url, {}, 'GET', callback); }, post: function (url, param, callback) { return jm.util.ajax.request(url, param, 'POST', callback); } }, dom: { //target,eventType,handler add_event: function (t, e, h) { if (!!t.addEventListener) { t.addEventListener(e, h, false); } else { t.attachEvent('on' + e, h); } } }, file: { read: function (file_data, fn_callback) { var reader = new FileReader(); reader.onload = function () { if (typeof fn_callback === 'function') { fn_callback(this.result, file_data.name); } }; reader.readAsText(file_data); }, save: function (file_data, type, name) { var blob; if (typeof $w.Blob === 'function') { blob = new Blob([file_data], { type: type }); } else { var BlobBuilder = $w.BlobBuilder || $w.MozBlobBuilder || $w.WebKitBlobBuilder || $w.MSBlobBuilder; var bb = new BlobBuilder(); bb.append(file_data); blob = bb.getBlob(type); } if (navigator.msSaveBlob) { navigator.msSaveBlob(blob, name); } else { var URL = $w.URL || $w.webkitURL; var bloburl = URL.createObjectURL(blob); var anchor = $c('a'); if ('download' in anchor) { anchor.style.visibility = 'hidden'; anchor.href = bloburl; anchor.download = name; $d.body.appendChild(anchor); var evt = $d.createEvent('MouseEvents'); evt.initEvent('click', true, true); anchor.dispatchEvent(evt); $d.body.removeChild(anchor); } else { location.href = bloburl; } } } }, json: { json2string: function (json) { return JSON.stringify(json); }, string2json: function (json_str) { return JSON.parse(json_str); }, merge: function (b, a) { for (var o in a) { if (o in b) { if (typeof b[o] === 'object' && Object.prototype.toString.call(b[o]).toLowerCase() == '[object object]' && !b[o].length) { jm.util.json.merge(b[o], a[o]); } else { b[o] = a[o]; } } else { b[o] = a[o]; } } return b; } }, uuid: { newid: function () { return (new Date().getTime().toString(16) + Math.random().toString(16).substring(2)).substring(2, 18); } }, text: { is_empty: function (s) { if (!s) { return true; } return s.replace(/\s*/, '').length == 0; } } }; jm.prototype = { init: function () { if (this.initialized) { return; } this.initialized = true; var opts = this.options; var opts_layout = { mode: opts.mode, hspace: opts.layout.hspace, vspace: opts.layout.vspace, pspace: opts.layout.pspace, cousin_space: opts.layout.cousin_space } var opts_view = { container: opts.container, support_html: opts.support_html, engine: opts.view.engine, hmargin: opts.view.hmargin, vmargin: opts.view.vmargin, line_width: opts.view.line_width, line_color: opts.view.line_color, draggable: opts.view.draggable, hide_scrollbars_when_draggable: opts.view.hide_scrollbars_when_draggable, node_overflow: opts.view.node_overflow }; // create instance of function provider this.data = new jm.data_provider(this); this.layout = new jm.layout_provider(this, opts_layout); this.view = new jm.view_provider(this, opts_view); this.shortcut = new jm.shortcut_provider(this, opts.shortcut); this.data.init(); this.layout.init(); this.view.init(); this.shortcut.init(); this._event_bind(); jm.init_plugins(this); }, enable_edit: function () { this.options.editable = true; }, disable_edit: function () { this.options.editable = false; }, // call enable_event_handle('dblclick') // options are 'mousedown', 'click', 'dblclick' enable_event_handle: function (event_handle) { this.options.default_event_handle['enable_' + event_handle + '_handle'] = true; }, // call disable_event_handle('dblclick') // options are 'mousedown', 'click', 'dblclick' disable_event_handle: function (event_handle) { this.options.default_event_handle['enable_' + event_handle + '_handle'] = false; }, get_editable: function () { return this.options.editable; }, set_theme: function (theme) { var theme_old = this.options.theme; this.options.theme = (!!theme) ? theme : null; if (theme_old != this.options.theme) { this.view.reset_theme(); this.view.reset_custom_style(); } }, _event_bind: function () { this.view.add_event(this, 'mousedown', this.mousedown_handle); this.view.add_event(this, 'click', this.click_handle); this.view.add_event(this, 'dblclick', this.dblclick_handle); this.view.add_event(this, "mousewheel", this.mousewheel_handle) }, mousedown_handle: function (e) { if (!this.options.default_event_handle['enable_mousedown_handle']) { return; } var element = e.target || event.srcElement; var nodeid = this.view.get_binded_nodeid(element); if (!!nodeid) { if (this.view.is_node(element)) { this.select_node(nodeid); } } else { this.select_clear(); } }, click_handle: function (e) { if (!this.options.default_event_handle['enable_click_handle']) { return; } var element = e.target || event.srcElement; var is_expander = this.view.is_expander(element); if (is_expander) { var nodeid = this.view.get_binded_nodeid(element); if (!!nodeid) { this.toggle_node(nodeid); } } }, dblclick_handle: function (e) { if (!this.options.default_event_handle['enable_dblclick_handle']) { return; } if (this.get_editable()) { var element = e.target || event.srcElement; var is_node = this.view.is_node(element); if (is_node) { var nodeid = this.view.get_binded_nodeid(element); if (!!nodeid) { this.begin_edit(nodeid); } } } }, // Use [Ctrl] + Mousewheel, to zoom in/out. mousewheel_handle: function (event) { // Test if mousewheel option is enabled and Ctrl key is pressed. if (!this.options.default_event_handle["enable_mousewheel_handle"] || !window.event.ctrlKey) { return } // Avoid default page scrolling behavior. event.preventDefault() if (event.deltaY < 0) { this.view.zoomIn() } else { this.view.zoomOut() } }, begin_edit: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return false; } else { return this.begin_edit(the_node); } } if (this.get_editable()) { if (!node.data["editable"]) { return; } this.view.edit_node_begin(node); } else { logger.error('fail, this mind map is not editable.'); return; } }, end_edit: function () { this.view.edit_node_end(); }, toggle_node: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.toggle_node(the_node); } } if (node.isroot) { return; } this.view.save_location(node); this.layout.toggle_node(node); this.view.relayout(); this.view.restore_location(node); }, expand_node: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.expand_node(the_node); } } if (node.isroot) { return; } this.view.save_location(node); this.layout.expand_node(node); this.view.relayout(); this.view.restore_location(node); }, collapse_node: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.collapse_node(the_node); } } if (node.isroot) { return; } this.view.save_location(node); this.layout.collapse_node(node); this.view.relayout(); this.view.restore_location(node); }, expand_all: function () { this.layout.expand_all(); this.view.relayout(); }, collapse_all: function () { this.layout.collapse_all(); this.view.relayout(); }, expand_to_depth: function (depth) { this.layout.expand_to_depth(depth); this.view.relayout(); }, _reset: function () { this.view.reset(); this.layout.reset(); this.data.reset(); }, _show: function (mind) { var m = mind || jm.format.node_array.example; this.mind = this.data.load(m); if (!this.mind) { logger.error('data.load error'); return; } else { logger.debug('data.load ok'); } this.view.load(); logger.debug('view.load ok'); this.layout.layout(); logger.debug('layout.layout ok'); this.view.show(true); logger.debug('view.show ok'); this.invoke_event_handle(jm.event_type.show, { data: [mind] }); }, show: function (mind) { this._reset(); this._show(mind); }, get_meta: function () { return { name: this.mind.name, author: this.mind.author, version: this.mind.version }; }, get_data: function (data_format) { var df = data_format || 'node_tree'; return this.data.get_data(df); }, get_root: function () { return this.mind.root; }, get_node: function (node) { if (jm.util.is_node(node)) { return node; } return this.mind.get_node(node); }, add_node: function (parent_node, nodeid, topic, data, direction) { if (this.get_editable()) { var the_parent_node = this.get_node(parent_node); var dir = jm.direction.of(direction) if (dir === undefined) { dir = this.layout.calculate_next_child_direction(the_parent_node); } var node = this.mind.add_node(the_parent_node, nodeid, topic, data, dir); if (!!node) { this.view.add_node(node); this.layout.layout(); this.view.show(false); this.view.reset_node_custom_style(node); this.expand_node(the_parent_node); this.invoke_event_handle(jm.event_type.edit, { evt: 'add_node', data: [the_parent_node.id, nodeid, topic, data, dir], node: nodeid }); } return node; } else { logger.error('fail, this mind map is not editable'); return null; } }, insert_node_before: function (node_before, nodeid, topic, data, direction) { if (this.get_editable()) { var the_node_before = this.get_node(node_before); var dir = jm.direction.of(direction) if (dir === undefined) { dir = this.layout.calculate_next_child_direction(the_node_before.parent); } var node = this.mind.insert_node_before(the_node_before, nodeid, topic, data, dir); if (!!node) { this.view.add_node(node); this.layout.layout(); this.view.show(false); this.invoke_event_handle(jm.event_type.edit, { evt: 'insert_node_before', data: [the_node_before.id, nodeid, topic, data, dir], node: nodeid }); } return node; } else { logger.error('fail, this mind map is not editable'); return null; } }, insert_node_after: function (node_after, nodeid, topic, data, direction) { if (this.get_editable()) { var the_node_after = this.get_node(node_after); var dir = jm.direction.of(direction) if (dir === undefined) { dir = this.layout.calculate_next_child_direction(the_node_after.parent); } var node = this.mind.insert_node_after(the_node_after, nodeid, topic, data, dir); if (!!node) { this.view.add_node(node); this.layout.layout(); this.view.show(false); this.invoke_event_handle(jm.event_type.edit, { evt: 'insert_node_after', data: [the_node_after.id, nodeid, topic, data, dir], node: nodeid }); } return node; } else { logger.error('fail, this mind map is not editable'); return null; } }, remove_node: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return false; } else { return this.remove_node(the_node); } } if (this.get_editable()) { if (node.isroot) { logger.error('fail, can not remove root node'); return false; } var nodeid = node.id; var parentid = node.parent.id; var parent_node = this.get_node(parentid); this.view.save_location(parent_node); this.view.remove_node(node); this.mind.remove_node(node); this.layout.layout(); this.view.show(false); this.view.restore_location(parent_node); this.invoke_event_handle(jm.event_type.edit, { evt: 'remove_node', data: [nodeid], node: parentid }); return true; } else { logger.error('fail, this mind map is not editable'); return false; } }, update_node: function (nodeid, topic) { if (this.get_editable()) { if (jm.util.text.is_empty(topic)) { logger.warn('fail, topic can not be empty'); return; } var node = this.get_node(nodeid); if (!node.data["editable"]) { return; } if (!!node) { if (node.topic === topic) { logger.info('nothing changed'); this.view.update_node(node); return; } node.topic = topic; this.view.update_node(node); this.layout.layout(); this.view.show(false); this.invoke_event_handle(jm.event_type.edit, { evt: 'update_node', data: [nodeid, topic], node: nodeid }); } } else { logger.error('fail, this mind map is not editable'); return; } }, move_node: function (nodeid, beforeid, parentid, direction) { if (this.get_editable()) { var node = this.get_node(nodeid); if (!node.data["editable"]) { return; } var updated_node = this.mind.move_node(node, beforeid, parentid, direction); if (!!updated_node) { this.view.update_node(updated_node); this.layout.layout(); this.view.show(false); this.invoke_event_handle(jm.event_type.edit, { evt: 'move_node', data: [nodeid, beforeid, parentid, direction], node: nodeid }); } } else { logger.error('fail, this mind map is not editable'); return; } }, select_node: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.select_node(the_node); } } if (!this.layout.is_visible(node)) { return; } this.mind.selected = node; this.view.select_node(node); this.invoke_event_handle(jm.event_type.select, { evt: 'select_node', data: [], node: node.id }); }, get_selected_node: function () { if (!!this.mind) { return this.mind.selected; } else { return null; } }, select_clear: function () { if (!!this.mind) { this.mind.selected = null; this.view.select_clear(); } }, is_node_visible: function (node) { return this.layout.is_visible(node); }, find_node_before: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.find_node_before(the_node); } } if (node.isroot) { return null; } var n = null; if (node.parent.isroot) { var c = node.parent.children; var prev = null; var ni = null; for (var i = 0; i < c.length; i++) { ni = c[i]; if (node.direction === ni.direction) { if (node.id === ni.id) { n = prev; } prev = ni; } } } else { n = this.mind.get_node_before(node); } return n; }, find_node_after: function (node) { if (!jm.util.is_node(node)) { var the_node = this.get_node(node); if (!the_node) { logger.error('the node[id=' + node + '] can not be found.'); return; } else { return this.find_node_after(the_node); } } if (node.isroot) { return null; } var n = null; if (node.parent.isroot) { var c = node.parent.children; var getthis = false; var ni = null; for (var i = 0; i < c.length; i++) { ni = c[i]; if (node.direction === ni.direction) { if (getthis) { n = ni; break; } if (node.id === ni.id) { getthis = true; } } } } else { n = this.mind.get_node_after(node); } return n; }, set_node_color: function (nodeid, bgcolor, fgcolor) { if (this.get_editable()) { var node = this.mind.get_node(nodeid); if (!node.data["editable"]) { return; } if (!!node) { if (!!bgcolor) { node.data['background-color'] = bgcolor; } if (!!fgcolor) { node.data['foreground-color'] = fgcolor; } this.view.reset_node_custom_style(node); } } else { logger.error('fail, this mind map is not editable'); return null; } }, set_node_font_style: function (nodeid, size, weight, style) { if (this.get_editable()) { var node = this.mind.get_node(nodeid); if (!node.data["editable"]) { return; } if (!!node) { if (!!size) { node.data['font-size'] = size; } if (!!weight) { node.data['font-weight'] = weight; } if (!!style) { node.data['font-style'] = style; } this.view.reset_node_custom_style(node); this.view.update_node(node); this.layout.layout(); this.view.show(false); } } else { logger.error('fail, this mind map is not editable'); return null; } }, set_node_background_image: function (nodeid, image, width, height, rotation) { if (this.get_editable()) { var node = this.mind.get_node(nodeid); if (!node.data["editable"]) { return; } if (!!node) { if (!!image) { node.data['background-image'] = image; } if (!!width) { node.data['width'] = width; } if (!!height) { node.data['height'] = height; } if (!!rotation) { node.data['background-rotation'] = rotation; } this.view.reset_node_custom_style(node); this.view.update_node(node); this.layout.layout(); this.view.show(false); } } else { logger.error('fail, this mind map is not editable'); return null; } }, set_node_background_rotation: function (nodeid, rotation) { if (this.get_editable()) { var node = this.mind.get_node(nodeid); if (!!node) { if (!node.data['background-image']) { logger.error('fail, only can change rotation angle of node with background image'); return null; } node.data['background-rotation'] = rotation; this.view.reset_node_custom_style(node); this.view.update_node(node); this.layout.layout(); this.view.show(false); } } else { logger.error('fail, this mind map is not editable'); return null; } }, resize: function () { this.view.resize(); }, // callback(type ,data) add_event_listener: function (callback) { if (typeof callback === 'function') { this.event_handles.push(callback); } }, clear_event_listener: function () { this.event_handles = []; }, invoke_event_handle: function (type, data) { var j = this; $w.setTimeout(function () { j._invoke_event_handle(type, data); }, 0); }, _invoke_event_handle: function (type, data) { var l = this.event_handles.length; for (var i = 0; i < l; i++) { this.event_handles[i](type, data); } }, }; // ============= data provider ============================================= jm.data_provider = function (jm) { this.jm = jm; }; jm.data_provider.prototype = { init: function () { logger.debug('data.init'); }, reset: function () { logger.debug('data.reset'); }, load: function (mind_data) { var df = null; var mind = null; if (typeof mind_data === 'object') { if (!!mind_data.format) { df = mind_data.format; } else { df = 'node_tree'; } } else { df = 'freemind'; } if (df == 'node_array') { mind = jm.format.node_array.get_mind(mind_data); } else if (df == 'node_tree') { mind = jm.format.node_tree.get_mind(mind_data); } else if (df == 'freemind') { mind = jm.format.freemind.get_mind(mind_data); } else { logger.warn('unsupported format'); } return mind; }, get_data: function (data_format) { var data = null; if (data_format == 'node_array') { data = jm.format.node_array.get_data(this.jm.mind); } else if (data_format == 'node_tree') { data = jm.format.node_tree.get_data(this.jm.mind); } else if (data_format == 'freemind') { data = jm.format.freemind.get_data(this.jm.mind); } else { logger.error('unsupported ' + data_format + ' format'); } return data; }, }; // ============= layout provider =========================================== jm.layout_provider = function (jm, options) { this.opts = options; this.jm = jm; this.isside = (this.opts.mode == 'side'); this.bounds = null; this.cache_valid = false; }; jm.layout_provider.prototype = { init: function () { logger.debug('layout.init'); }, reset: function () { logger.debug('layout.reset'); this.bounds = { n: 0, s: 0, w: 0, e: 0 }; }, calculate_next_child_direction: function (node) { if (this.isside) { return jm.direction.right; } var children = node.children || []; var children_len = children.length; var r = 0; for (var i = 0; i < children_len; i++) { if (children[i].direction === jm.direction.left) { r--; } else { r++; } } return (children_len > 1 && r > 0) ? jm.direction.left : jm.direction.right; }, layout: function () { logger.debug('layout.layout'); this.layout_direction(); this.layout_offset(); }, layout_direction: function () { this._layout_direction_root(); }, _layout_direction_root: function () { var node = this.jm.mind.root; // logger.debug(node); var layout_data = null; if ('layout' in node._data) { layout_data = node._data.layout; } else { layout_data = {}; node._data.layout = layout_data; } var children = node.children; var children_count = children.length; layout_data.direction = jm.direction.center; layout_data.side_index = 0; if (this.isside) { var i = children_count; while (i--) { this._layout_direction_side(children[i], jm.direction.right, i); } } else { var i = children_count; var subnode = null; while (i--) { subnode = children[i]; if (subnode.direction == jm.direction.left) { this._layout_direction_side(subnode, jm.direction.left, i); } else { this._layout_direction_side(subnode, jm.direction.right, i); } } /* var boundary = Math.ceil(children_count/2); var i = children_count; while(i--){ if(i>=boundary){ this._layout_direction_side(children[i],jm.direction.left, children_count-i-1); }else{ this._layout_direction_side(children[i],jm.direction.right, i); } }*/ } }, _layout_direction_side: function (node, direction, side_index) { var layout_data = null; if ('layout' in node._data) { layout_data = node._data.layout; } else { layout_data = {}; node._data.layout = layout_data; } var children = node.children; var children_count = children.length; layout_data.direction = direction; layout_data.side_index = side_index; var i = children_count; while (i--) { this._layout_direction_side(children[i], direction, i); } }, layout_offset: function () { var node = this.jm.mind.root; var layout_data = node._data.layout; layout_data.offset_x = 0; layout_data.offset_y = 0; layout_data.outer_height = 0; var children = node.children; var i = children.length; var left_nodes = []; var right_nodes = []; var subnode = null; while (i--) { subnode = children[i]; if (subnode._data.layout.direction == jm.direction.right) { right_nodes.unshift(subnode); } else { left_nodes.unshift(subnode); } } layout_data.left_nodes = left_nodes; layout_data.right_nodes = right_nodes; layout_data.outer_height_left = this._layout_offset_subnodes(left_nodes); layout_data.outer_height_right = this._layout_offset_subnodes(right_nodes); this.bounds.e = node._data.view.width / 2; this.bounds.w = 0 - this.bounds.e; //logger.debug(this.bounds.w); this.bounds.n = 0; this.bounds.s = Math.max(layout_data.outer_height_left, layout_data.outer_height_right); }, // layout both the x and y axis _layout_offset_subnodes: function (nodes) { var total_height = 0; var nodes_count = nodes.length; var i = nodes_count; var node = null; var node_outer_height = 0; var layout_data = null; var base_y = 0; var pd = null; // parent._data while (i--) { node = nodes[i]; layout_data = node._data.layout; if (pd == null) { pd = node.parent._data; } node_outer_height = this._layout_offset_subnodes(node.children); if (!node.expanded) { node_outer_height = 0; this.set_visible(node.children, false); } node_outer_height = Math.max(node._data.view.height, node_outer_height); if (node.children.length > 1) { node_outer_height += this.opts.cousin_space; } layout_data.outer_height = node_outer_height; layout_data.offset_y = base_y - node_outer_height / 2; layout_data.offset_x = this.opts.hspace * layout_data.direction + pd.view.width * (pd.layout.direction + layout_data.direction) / 2; if (!node.parent.isroot) { layout_data.offset_x += this.opts.pspace * layout_data.direction; } base_y = base_y - node_outer_height - this.opts.vspace; total_height += node_outer_height; } if (nodes_count > 1) { total_height += this.opts.vspace * (nodes_count - 1); } i = nodes_count; var middle_height = total_height / 2; while (i--) { node = nodes[i]; node._data.layout.offset_y += middle_height; } return total_height; }, // layout the y axis only, for collapse/expand a node _layout_offset_subnodes_height: function (nodes) { var total_height = 0; var nodes_count = nodes.length; var i = nodes_count; var node = null; var node_outer_height = 0; var layout_data = null; var base_y = 0; var pd = null; // parent._data while (i--) { node = nodes[i]; layout_data = node._data.layout; if (pd == null) { pd = node.parent._data; } node_outer_height = this._layout_offset_subnodes_height(node.children); if (!node.expanded) { node_outer_height = 0; } node_outer_height = Math.max(node._data.view.height, node_outer_height); if (node.children.length > 1) { node_outer_height += this.opts.cousin_space; } layout_data.outer_height = node_outer_height; layout_data.offset_y = base_y - node_outer_height / 2; base_y = base_y - node_outer_height - this.opts.vspace; total_height += node_outer_height; } if (nodes_count > 1) { total_height += this.opts.vspace * (nodes_count - 1); } i = nodes_count; var middle_height = total_height / 2; while (i--) { node = nodes[i]; node._data.layout.offset_y += middle_height; //logger.debug(node.topic); //logger.debug(node._data.layout.offset_y); } return total_height; }, get_node_offset: function (node) { var layout_data = node._data.layout; var offset_cache = null; if (('_offset_' in layout_data) && this.cache_valid) { offset_cache = layout_data._offset_; } else { offset_cache = { x: -1, y: -1 }; layout_data._offset_ = offset_cache; } if (offset_cache.x == -1 || offset_cache.y == -1) { var x = layout_data.offset_x; var y = layout_data.offset_y; if (!node.isroot) { var offset_p = this.get_node_offset(node.parent); x += offset_p.x; y += offset_p.y; } offset_cache.x = x; offset_cache.y = y; } return offset_cache; }, get_node_point: function (node) { var view_data = node._data.view; var offset_p = this.get_node_offset(node); //logger.debug(offset_p); var p = {}; p.x = offset_p.x + view_data.width * (node._data.layout.direction - 1) / 2; p.y = offset_p.y - view_data.height / 2; //logger.debug(p); return p; }, get_node_point_in: function (node) { var p = this.get_node_offset(node); return p; }, get_node_point_out: function (node) { var layout_data = node._data.layout; var pout_cache = null; if (('_pout_' in layout_data) && this.cache_valid) { pout_cache = layout_data._pout_; } else { pout_cache = { x: -1, y: -1 }; layout_data._pout_ = pout_cache; } if (pout_cache.x == -1 || pout_cache.y == -1) { if (node.isroot) { pout_cache.x = 0; pout_cache.y = 0; } else { var view_data = node._data.view; var offset_p = this.get_node_offset(node); pout_cache.x = offset_p.x + (view_data.width + this.opts.pspace) * node._data.layout.direction; pout_cache.y = offset_p.y; //logger.debug('pout'); //logger.debug(pout_cache); } } return pout_cache; }, get_expander_point: function (node) { var p = this.get_node_point_out(node); var ex_p = {}; if (node._data.layout.direction == jm.direction.right) { ex_p.x = p.x - this.opts.pspace; } else { ex_p.x = p.x; } ex_p.y = p.y - Math.ceil(this.opts.pspace / 2); return ex_p; }, get_min_size: function () { var nodes = this.jm.mind.nodes; var node = null; var pout = null; for (var nodeid in nodes) { node = nodes[nodeid]; pout = this.get_node_point_out(node); if (pout.x > this.bounds.e) { this.bounds.e = pout.x; } if (pout.x < this.bounds.w) { this.bounds.w = pout.x; } } return { w: this.bounds.e - this.bounds.w, h: this.bounds.s - this.bounds.n } }, toggle_node: function (node) { if (node.isroot) { return; } if (node.expanded) { this.collapse_node(node); } else { this.expand_node(node); } }, expand_node: function (node) { node.expanded = true; this.part_layout(node); this.set_visible(node.children, true); this.jm.invoke_event_handle(jm.event_type.show, { evt: 'expand_node', data: [], node: node.id }); }, collapse_node: function (node) { node.expanded = false; this.part_layout(node); this.set_visible(node.children, false); this.jm.invoke_event_handle(jm.event_type.show, { evt: 'collapse_node', data: [], node: node.id }); }, expand_all: function () { var nodes = this.jm.mind.nodes; var c = 0; var node; for (var nodeid in nodes) { node = nodes[nodeid]; if (!node.expanded) { node.expanded = true; c++; } } if (c > 0) { var root = this.jm.mind.root; this.part_layout(root); this.set_visible(root.children, true); } }, collapse_all: function () { var nodes = this.jm.mind.nodes; var c = 0; var node; for (var nodeid in nodes) { node = nodes[nodeid]; if (node.expanded && !node.isroot) { node.expanded = false; c++; } } if (c > 0) { var root = this.jm.mind.root; this.part_layout(root); this.set_visible(root.children, true); } }, expand_to_depth: function (target_depth, curr_nodes, curr_depth) { if (target_depth < 1) { return; } var nodes = curr_nodes || this.jm.mind.root.children; var depth = curr_depth || 1; var i = nodes.length; var node = null; while (i--) { node = nodes[i]; if (depth < target_depth) { if (!node.expanded) { this.expand_node(node); } this.expand_to_depth(target_depth, node.children, depth + 1); } if (depth == target_depth) { if (node.expanded) { this.collapse_node(node); } } } }, part_layout: function (node) { var root = this.jm.mind.root; if (!!root) { var root_layout_data = root._data.layout; if (node.isroot) { root_layout_data.outer_height_right = this._layout_offset_subnodes_height(root_layout_data.right_nodes); root_layout_data.outer_height_left = this._layout_offset_subnodes_height(root_layout_data.left_nodes); } else { if (node._data.layout.direction == jm.direction.right) { root_layout_data.outer_height_right = this._layout_offset_subnodes_height(root_layout_data.right_nodes); } else { root_layout_data.outer_height_left = this._layout_offset_subnodes_height(root_layout_data.left_nodes); } } this.bounds.s = Math.max(root_layout_data.outer_height_left, root_layout_data.outer_height_right); this.cache_valid = false; } else { logger.warn('can not found root node'); } }, set_visible: function (nodes, visible) { var i = nodes.length; var node = null; var layout_data = null; while (i--) { node = nodes[i]; layout_data = node._data.layout; if (node.expanded) { this.set_visible(node.children, visible); } else { this.set_visible(node.children, false); } if (!node.isroot) { node._data.layout.visible = visible; } } }, is_expand: function (node) { return node.expanded; }, is_visible: function (node) { var layout_data = node._data.layout; if (('visible' in layout_data) && !layout_data.visible) { return false; } else { return true; } } }; jm.graph_canvas = function (view) { this.opts = view.opts; this.e_canvas = $c('canvas'); this.e_canvas.className = 'jsmind'; this.canvas_ctx = this.e_canvas.getContext('2d'); this.size = { w: 0, h: 0 }; }; jm.graph_canvas.prototype = { element: function () { return this.e_canvas; }, set_size: function (w, h) { this.size.w = w; this.size.h = h; this.e_canvas.width = w; this.e_canvas.height = h; }, clear: function () { this.canvas_ctx.clearRect(0, 0, this.size.w, this.size.h); }, draw_line: function (pout, pin, offset) { var ctx = this.canvas_ctx; ctx.strokeStyle = this.opts.line_color; ctx.lineWidth = this.opts.line_width; ctx.lineCap = 'round'; // this._bezier_to(ctx, // pin.x + offset.x, // pin.y + offset.y, // pout.x + offset.x, // pout.y + offset.y); this._brokenline_to(ctx, pin.x + offset.x, pin.y + offset.y, pout.x + offset.x, pout.y + offset.y); }, copy_to: function (dest_canvas_ctx, callback) { dest_canvas_ctx.drawImage(this.e_canvas, 0, 0); !!callback && callback(); }, _bezier_to: function (ctx, x1, y1, x2, y2) { ctx.beginPath(); ctx.moveTo(x1, y1); ctx.bezierCurveTo(x1 + (x2 - x1) * 2 / 3, y1, x1, y2, x2, y2); ctx.stroke(); }, //用直角画线方式 取得是两点中间的距离 _brokenline_to: function (ctx, x1, y1, x2, y2) { ctx.beginPath(); ctx.moveTo(x1, y1); ctx.lineTo(x1 + (x2 - x1) / 2, y1); ctx.lineTo(x1 + (x2 - x1) / 2, y2);//延长了一半 ctx.lineTo(x2, y2); ctx.stroke(); }, _line_to: function (ctx, x1, y1, x2, y2) { ctx.beginPath(); ctx.moveTo(x1, y1); ctx.lineTo(x2, y2); ctx.stroke(); } }; jm.graph_svg = function (view) { this.view = view; this.opts = view.opts; this.e_svg = jm.graph_svg.c('svg'); this.e_svg.setAttribute('class', 'jsmind'); this.size = { w: 0, h: 0 }; this.lines = []; }; jm.graph_svg.c = function (tag) { return $d.createElementNS('http://www.w3.org/2000/svg', tag); }; jm.graph_svg.prototype = { element: function () { return this.e_svg; }, set_size: function (w, h) { this.size.w = w; this.size.h = h; this.e_svg.setAttribute('width', w); this.e_svg.setAttribute('height', h); }, clear: function () { var len = this.lines.length; while (len--) { this.e_svg.removeChild(this.lines[len]); } this.lines.length = 0; }, draw_line: function (pout, pin, offset) { var line = jm.graph_svg.c('path'); line.setAttribute('stroke', this.opts.line_color); line.setAttribute('stroke-width', this.opts.line_width); line.setAttribute('fill', 'transparent'); this.lines.push(line); this.e_svg.appendChild(line); this._bezier_to(line, pin.x + offset.x, pin.y + offset.y, pout.x + offset.x, pout.y + offset.y); }, copy_to: function (dest_canvas_ctx, callback) { var img = new Image(); img.onload = function () { dest_canvas_ctx.drawImage(img, 0, 0); !!callback && callback(); } img.src = 'data:image/svg+xml;base64,' + btoa(new XMLSerializer().serializeToString(this.e_svg)); }, _bezier_to: function (path, x1, y1, x2, y2) { path.setAttribute('d', 'M' + x1 + ' ' + y1 + ' C ' + (x1 + (x2 - x1) * 2 / 3) + ' ' + y1 + ', ' + x1 + ' ' + y2 + ', ' + x2 + ' ' + y2); }, _line_to: function (path, x1, y1, x2, y2) { path.setAttribute('d', 'M ' + x1 + ' ' + y1 + ' L ' + x2 + ' ' + y2); } }; // view provider jm.view_provider = function (jm, options) { this.opts = options; this.jm = jm; this.layout = jm.layout; this.container = null; this.e_panel = null; this.e_nodes = null; this.size = { w: 0, h: 0 }; this.selected_node = null; this.editing_node = null; this.graph = null; }; jm.view_provider.prototype = { init: function () { logger.debug('view.init'); this.container = $i(this.opts.container) ? this.opts.container : $g(this.opts.container); if (!this.container) { logger.error('the options.view.container was not be found in dom'); return; } this.e_panel = $c('div'); this.e_nodes = $c('jmnodes'); this.e_editor = $c('input'); this.graph = this.opts.engine.toLowerCase() === 'svg' ? new jm.graph_svg(this) : new jm.graph_canvas(this); this.e_panel.className = 'jsmind-inner jmnode-overflow-' + this.opts.node_overflow; this.e_panel.tabIndex = 1; this.e_panel.appendChild(this.graph.element()); this.e_panel.appendChild(this.e_nodes); this.e_editor.className = 'jsmind-editor'; this.e_editor.type = 'text'; this.actualZoom = 1; this.zoomStep = 0.1; this.minZoom = 0.5; this.maxZoom = 2; var v = this; jm.util.dom.add_event(this.e_editor, 'keydown', function (e) { var evt = e || event; if (evt.keyCode == 13) { v.edit_node_end(); evt.stopPropagation(); } }); jm.util.dom.add_event(this.e_editor, 'blur', function (e) { v.edit_node_end(); }); this.container.appendChild(this.e_panel); // Used to avoid dragging, while editing node. this.dragging_enabled = true this.draggable_canvas() }, add_event: function (obj, event_name, event_handle) { jm.util.dom.add_event(this.e_nodes, event_name, function (e) { var evt = e || event; event_handle.call(obj, evt); }); }, get_binded_nodeid: function (element) { if (element == null) { return null; } var tagName = element.tagName.toLowerCase(); if (tagName == 'jmnode' || tagName == 'jmexpander') { return element.getAttribute('nodeid'); } else if (tagName == 'jmnodes' || tagName == 'body' || tagName == 'html') { return null; } else { return this.get_binded_nodeid(element.parentElement); } }, is_node: function (element) { if (element == null) { return false; } var tagName = element.tagName.toLowerCase(); if (tagName == 'jmnode') { return true; } else if (tagName == 'jmnodes' || tagName == 'body' || tagName == 'html') { return false; } else { return this.is_node(element.parentElement); } }, is_expander: function (element) { return (element.tagName.toLowerCase() == 'jmexpander'); }, reset: function () { logger.debug('view.reset'); this.selected_node = null; this.clear_lines(); this.clear_nodes(); this.reset_theme(); }, reset_theme: function () { var theme_name = this.jm.options.theme; if (!!theme_name) { this.e_nodes.className = 'theme-' + theme_name; } else { this.e_nodes.className = ''; } }, reset_custom_style: function () { var nodes = this.jm.mind.nodes; for (var nodeid in nodes) { this.reset_node_custom_style(nodes[nodeid]); } }, load: function () { logger.debug('view.load'); this.init_nodes(); }, expand_size: function () { var min_size = this.layout.get_min_size(); var min_width = min_size.w + this.opts.hmargin * 2; var min_height = min_size.h + this.opts.vmargin * 2; var client_w = this.e_panel.clientWidth; var client_h = this.e_panel.clientHeight; if (client_w < min_width) { client_w = min_width; } if (client_h < min_height) { client_h = min_height; } this.size.w = client_w; this.size.h = client_h; }, init_nodes_size: function (node) { var view_data = node._data.view; view_data.width = view_data.element.clientWidth; view_data.height = view_data.element.clientHeight; }, init_nodes: function () { var nodes = this.jm.mind.nodes; var doc_frag = $d.createDocumentFragment(); for (var nodeid in nodes) { this.create_node_element(nodes[nodeid], doc_frag); } this.e_nodes.appendChild(doc_frag); for (var nodeid in nodes) { this.init_nodes_size(nodes[nodeid]); } }, add_node: function (node) { this.create_node_element(node, this.e_nodes); this.init_nodes_size(node); }, create_node_element: function (node, parent_node) { var GUIDPattern = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i; if (!GUIDPattern.test(node.id))//是GUID { node.data.editable = true; } var view_data = null; if ('view' in node._data) { view_data = node._data.view; } else { view_data = {}; node._data.view = view_data; } var d = $c('jmnode'); if (node.isroot) { d.className = 'root'; } else { var d_e = $c('jmexpander'); $t(d_e, '-'); d_e.setAttribute('nodeid', node.id); d_e.style.visibility = 'hidden'; parent_node.appendChild(d_e); view_data.expander = d_e; } if (!!node.topic) { if (this.opts.support_html) { $h(d, node.topic); } else { $t(d, node.topic); } } d.setAttribute('nodeid', node.id); d.style.visibility = 'hidden'; this._reset_node_custom_style(d, node.data); parent_node.appendChild(d); view_data.element = d; }, remove_node: function (node) { if (this.selected_node != null && this.selected_node.id == node.id) { this.selected_node = null; } if (this.editing_node != null && this.editing_node.id == node.id) { node._data.view.element.removeChild(this.e_editor); this.editing_node = null; } var children = node.children; var i = children.length; while (i--) { this.remove_node(children[i]); } if (node._data.view) { var element = node._data.view.element; var expander = node._data.view.expander; this.e_nodes.removeChild(element); this.e_nodes.removeChild(expander); node._data.view.element = null; node._data.view.expander = null; } }, update_node: function (node) { var view_data = node._data.view; var element = view_data.element; if (!!node.topic) { if (this.opts.support_html) { $h(element, node.topic); } else { $t(element, node.topic); } } if (this.layout.is_visible(node)) { view_data.width = element.clientWidth; view_data.height = element.clientHeight; } else { let origin_style = element.getAttribute('style'); element.style = 'visibility: visible; left:0; top:0;'; view_data.width = element.clientWidth; view_data.height = element.clientHeight; element.style = origin_style; } }, select_node: function (node) { if (!!this.selected_node) { this.selected_node._data.view.element.className = this.selected_node._data.view.element.className.replace(/\s*selected\b/i, ''); this.reset_node_custom_style(this.selected_node); } if (!!node) { this.selected_node = node; node._data.view.element.className += ' selected'; this.clear_node_custom_style(node); } }, select_clear: function () { this.select_node(null); }, get_editing_node: function () { return this.editing_node; }, is_editing: function () { return (!!this.editing_node); }, edit_node_begin: function (node) { if (!node.topic) { logger.warn("don't edit image nodes"); return; } if (this.editing_node != null) { this.edit_node_end(); } this.editing_node = node; var view_data = node._data.view; var element = view_data.element; var topic = node.topic; var ncs = getComputedStyle(element); this.e_editor.value = topic; this.e_editor.style.width = (element.clientWidth - parseInt(ncs.getPropertyValue('padding-left')) - parseInt(ncs.getPropertyValue('padding-right'))) + 'px'; element.innerHTML = ''; element.appendChild(this.e_editor); element.style.zIndex = 5; this.e_editor.focus(); this.e_editor.select(); }, edit_node_end: function () { if (this.editing_node != null) { var node = this.editing_node; this.editing_node = null; var view_data = node._data.view; var element = view_data.element; var topic = this.e_editor.value; element.style.zIndex = 'auto'; element.removeChild(this.e_editor); if (jm.util.text.is_empty(topic) || node.topic === topic) { if (this.opts.support_html) { $h(element, node.topic); } else { $t(element, node.topic); } } else { this.jm.update_node(node.id, topic); } } this.e_panel.focus(); }, get_view_offset: function () { var bounds = this.layout.bounds; var _x = (this.size.w - bounds.e - bounds.w) / 2; var _y = this.size.h / 2; return { x: _x, y: _y }; }, resize: function () { this.graph.set_size(1, 1); this.e_nodes.style.width = '1px'; this.e_nodes.style.height = '1px'; this.expand_size(); this._show(); }, _show: function () { this.graph.set_size(this.size.w, this.size.h); this.e_nodes.style.width = this.size.w + 'px'; this.e_nodes.style.height = this.size.h + 'px'; this.show_nodes(); this.show_lines(); //this.layout.cache_valid = true; this.jm.invoke_event_handle(jm.event_type.resize, { data: [] }); }, zoomIn: function () { return this.setZoom(this.actualZoom + this.zoomStep); }, zoomOut: function () { return this.setZoom(this.actualZoom - this.zoomStep); }, setZoom: function (zoom) { if ((zoom < this.minZoom) || (zoom > this.maxZoom)) { return false; } this.actualZoom = zoom; for (var i = 0; i < this.e_panel.children.length; i++) { this.e_panel.children[i].style.zoom = zoom; }; this.show(true); return true; }, _center_root: function () { // center root node var outer_w = this.e_panel.clientWidth; var outer_h = this.e_panel.clientHeight; if (this.size.w > outer_w) { var _offset = this.get_view_offset(); this.e_panel.scrollLeft = _offset.x * this.actualZoom - outer_w / 2; } if (this.size.h > outer_h) { this.e_panel.scrollTop = (this.size.h * this.actualZoom - outer_h) / 2; } }, show: function (keep_center) { logger.debug('view.show'); this.expand_size(); this._show(); if (!!keep_center) { this._center_root(); } }, relayout: function () { this.expand_size(); this._show(); }, save_location: function (node) { var vd = node._data.view; vd._saved_location = { x: parseInt(vd.element.style.left) - this.e_panel.scrollLeft, y: parseInt(vd.element.style.top) - this.e_panel.scrollTop, }; }, restore_location: function (node) { var vd = node._data.view; this.e_panel.scrollLeft = parseInt(vd.element.style.left) - vd._saved_location.x; this.e_panel.scrollTop = parseInt(vd.element.style.top) - vd._saved_location.y; }, clear_nodes: function () { var mind = this.jm.mind; if (mind == null) { return; } var nodes = mind.nodes; var node = null; for (var nodeid in nodes) { node = nodes[nodeid]; node._data.view.element = null; node._data.view.expander = null; } this.e_nodes.innerHTML = ''; }, show_nodes: function () { var nodes = this.jm.mind.nodes; var node = null; var node_element = null; var expander = null; var p = null; var p_expander = null; var expander_text = '-'; var view_data = null; var _offset = this.get_view_offset(); for (var nodeid in nodes) { node = nodes[nodeid]; view_data = node._data.view; node_element = view_data.element; expander = view_data.expander; if (!this.layout.is_visible(node)) { node_element.style.display = 'none'; expander.style.display = 'none'; continue; } this.reset_node_custom_style(node); p = this.layout.get_node_point(node); view_data.abs_x = _offset.x + p.x; view_data.abs_y = _offset.y + p.y; node_element.style.left = (_offset.x + p.x) + 'px'; node_element.style.top = (_offset.y + p.y) + 'px'; node_element.style.display = ''; node_element.style.visibility = 'visible'; if (!node.isroot && node.children.length > 0) { expander_text = node.expanded ? '-' : '+'; p_expander = this.layout.get_expander_point(node); expander.style.left = (_offset.x + p_expander.x) + 'px'; expander.style.top = (_offset.y + p_expander.y) + 'px'; expander.style.display = ''; expander.style.visibility = 'visible'; $t(expander, expander_text); } // hide expander while all children have been removed if (!node.isroot && node.children.length == 0) { expander.style.display = 'none'; expander.style.visibility = 'hidden'; } } }, reset_node_custom_style: function (node) { this._reset_node_custom_style(node._data.view.element, node.data); }, _reset_node_custom_style: function (node_element, node_data) { if ('background-color' in node_data) { node_element.style.backgroundColor = node_data['background-color']; } if ('foreground-color' in node_data) { node_element.style.color = node_data['foreground-color']; } if ('width' in node_data) { node_element.style.width = node_data['width'] + 'px'; } if ('height' in node_data) { node_element.style.height = node_data['height'] + 'px'; } if ('font-size' in node_data) { node_element.style.fontSize = node_data['font-size'] + 'px'; } if ('font-weight' in node_data) { node_element.style.fontWeight = node_data['font-weight']; } if ('font-style' in node_data) { node_element.style.fontStyle = node_data['font-style']; } if ('background-image' in node_data) { var backgroundImage = node_data['background-image']; if (backgroundImage.startsWith('data') && node_data['width'] && node_data['height']) { var img = new Image(); img.onload = function () { var c = $c('canvas'); c.width = node_element.clientWidth; c.height = node_element.clientHeight; var img = this; if (c.getContext) { var ctx = c.getContext('2d'); ctx.drawImage(img, 2, 2, node_element.clientWidth, node_element.clientHeight); var scaledImageData = c.toDataURL(); node_element.style.backgroundImage = 'url(' + scaledImageData + ')'; } }; img.src = backgroundImage; } else { node_element.style.backgroundImage = 'url(' + backgroundImage + ')'; } node_element.style.backgroundSize = '99%'; if ('background-rotation' in node_data) { node_element.style.transform = 'rotate(' + node_data['background-rotation'] + 'deg)'; } } }, clear_node_custom_style: function (node) { var node_element = node._data.view.element; node_element.style.backgroundColor = ""; node_element.style.color = ""; }, clear_lines: function () { this.graph.clear(); }, show_lines: function () { this.clear_lines(); var nodes = this.jm.mind.nodes; var node = null; var pin = null; var pout = null; var _offset = this.get_view_offset(); for (var nodeid in nodes) { node = nodes[nodeid]; if (!!node.isroot) { continue; } if (('visible' in node._data.layout) && !node._data.layout.visible) { continue; } pin = this.layout.get_node_point_in(node); pout = this.layout.get_node_point_out(node.parent); this.graph.draw_line(pout, pin, _offset); } }, // Drag the whole mind map with your mouse (usefull when it's larger that the container). draggable_canvas: function () { // If draggable option is true. if (this.opts.draggable) { // Dragging disabled by default. let dragging = false let x, y if (this.opts.hide_scrollbars_when_draggable) { // Avoid scrollbars when mind map is larger than the container (e_panel = id jsmind-inner) this.e_panel.style = 'overflow: hidden' } // Move the whole mind map with mouse moves, while button is down. jm.util.dom.add_event(this.container, 'mousedown', (eventDown) => { dragging = true // Record current mouse position. x = eventDown.clientX y = eventDown.clientY }) // Stop moving mind map once mouse button is released. jm.util.dom.add_event(this.container, 'mouseup', () => { dragging = false }) // Follow current mouse position and move mind map accordingly. jm.util.dom.add_event(this.container, 'mousemove', (eventMove) => { if (this.dragging_enabled && dragging) { this.e_panel.scrollBy(x - eventMove.clientX, y - eventMove.clientY) // Record new current position. x = eventMove.clientX y = eventMove.clientY } }) } }, get_draggable_canvas: function () { return this.opts.draggable }, enable_draggable_canvas: function () { this.dragging_enabled = true }, disable_draggable_canvas: function () { this.dragging_enabled = false }, }; // shortcut provider jm.shortcut_provider = function (jm, options) { this.jm = jm; this.opts = options; this.mapping = options.mapping; this.handles = options.handles; this._newid = null; this._mapping = {}; }; jm.shortcut_provider.prototype = { init: function () { jm.util.dom.add_event(this.jm.view.e_panel, 'keydown', this.handler.bind(this)); this.handles['addchild'] = this.handle_addchild; this.handles['addbrother'] = this.handle_addbrother; this.handles['editnode'] = this.handle_editnode; this.handles['delnode'] = this.handle_delnode; this.handles['toggle'] = this.handle_toggle; this.handles['up'] = this.handle_up; this.handles['down'] = this.handle_down; this.handles['left'] = this.handle_left; this.handles['right'] = this.handle_right; for (var handle in this.mapping) { if (!!this.mapping[handle] && (handle in this.handles)) { var keys = this.mapping[handle]; if (!Array.isArray(keys)) { keys = [keys] } for (let key of keys) { this._mapping[key] = this.handles[handle]; } } } if (typeof this.opts.id_generator === 'function') { this._newid = this.opts.id_generator; } else { this._newid = jm.util.uuid.newid; } }, enable_shortcut: function () { this.opts.enable = true; }, disable_shortcut: function () { this.opts.enable = false; }, handler: function (e) { if (e.which == 9) { e.preventDefault(); } //prevent tab to change focus in browser if (this.jm.view.is_editing()) { return; } var evt = e || event; if (!this.opts.enable) { return true; } var kc = evt.keyCode + (evt.metaKey << 13) + (evt.ctrlKey << 12) + (evt.altKey << 11) + (evt.shiftKey << 10); if (kc in this._mapping) { this._mapping[kc].call(this, this.jm, e); } }, handle_addchild: function (_jm, e) { var selected_node = _jm.get_selected_node(); if (!!selected_node) { var nodeid = this._newid(); var node = _jm.add_node(selected_node, nodeid, 'New Node'); if (!!node) { _jm.select_node(nodeid); _jm.begin_edit(nodeid); } } }, handle_addbrother: function (_jm, e) { var selected_node = _jm.get_selected_node(); if (!selected_node.data["editable"]) { return; } if (!!selected_node && !selected_node.isroot) { var nodeid = this._newid(); var node = _jm.insert_node_after(selected_node, nodeid, 'New Node'); if (!!node) { _jm.select_node(nodeid); _jm.begin_edit(nodeid); } } }, handle_editnode: function (_jm, e) { var selected_node = _jm.get_selected_node(); if (!!selected_node) { _jm.begin_edit(selected_node); } }, handle_delnode: function (_jm, e) { var selected_node = _jm.get_selected_node(); if (!!selected_node && !selected_node.isroot) { if(!selected_node.data.editable) { return; } _jm.select_node(selected_node.parent); _jm.remove_node(selected_node); } }, handle_toggle: function (_jm, e) { var evt = e || event; var selected_node = _jm.get_selected_node(); if (!!selected_node) { _jm.toggle_node(selected_node.id); evt.stopPropagation(); evt.preventDefault(); } }, handle_up: function (_jm, e) { var evt = e || event; var selected_node = _jm.get_selected_node(); if (!!selected_node) { var up_node = _jm.find_node_before(selected_node); if (!up_node) { var np = _jm.find_node_before(selected_node.parent); if (!!np && np.children.length > 0) { up_node = np.children[np.children.length - 1]; } } if (!!up_node) { _jm.select_node(up_node); } evt.stopPropagation(); evt.preventDefault(); } }, handle_down: function (_jm, e) { var evt = e || event; var selected_node = _jm.get_selected_node(); if (!!selected_node) { var down_node = _jm.find_node_after(selected_node); if (!down_node) { var np = _jm.find_node_after(selected_node.parent); if (!!np && np.children.length > 0) { down_node = np.children[0]; } } if (!!down_node) { _jm.select_node(down_node); } evt.stopPropagation(); evt.preventDefault(); } }, handle_left: function (_jm, e) { this._handle_direction(_jm, e, jm.direction.left); }, handle_right: function (_jm, e) { this._handle_direction(_jm, e, jm.direction.right); }, _handle_direction: function (_jm, e, d) { var evt = e || event; var selected_node = _jm.get_selected_node(); var node = null; if (!!selected_node) { if (selected_node.isroot) { var c = selected_node.children; var children = []; for (var i = 0; i < c.length; i++) { if (c[i].direction === d) { children.push(i); } } node = c[children[Math.floor((children.length - 1) / 2)]]; } else if (selected_node.direction === d) { var children = selected_node.children; var childrencount = children.length; if (childrencount > 0) { node = children[Math.floor((childrencount - 1) / 2)]; } } else { node = selected_node.parent; } if (!!node) { _jm.select_node(node); } evt.stopPropagation(); evt.preventDefault(); } }, }; // plugin jm.plugin = function (name, init) { this.name = name; this.init = init; }; jm.plugins = []; jm.register_plugin = function (plugin) { if (plugin instanceof jm.plugin) { jm.plugins.push(plugin); } }; jm.init_plugins = function (sender) { $w.setTimeout(function () { jm._init_plugins(sender); }, 0); }; jm._init_plugins = function (sender) { var l = jm.plugins.length; var fn_init = null; for (var i = 0; i < l; i++) { fn_init = jm.plugins[i].init; if (typeof fn_init === 'function') { fn_init(sender); } } }; jm.show = function (options, mind) { logger.warn('`jsMind.show(options, mind)` is deprecated, please use `jm = new jsMind(options); jm.show(mind);` instead') var _jm = new jm(options); _jm.show(mind); return _jm; }; // export jsmind if (typeof module !== 'undefined' && typeof exports === 'object') { module.exports = jm; } else if (typeof define === 'function' && (define.amd || define.cmd)) { define(function () { return jm; }); } else { $w[__name__] = jm; } })(typeof window !== 'undefined' ? window : global);