/* =========================================================
* bootstrap-treeview.js v1.2.0
* =========================================================
* Copyright 2013 Jonathan Miles
* Project URL : http://www.jondmiles.com/bootstrap-treeview
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */
; (function ($, window, document, undefined) {
/*global jQuery, console*/
'use strict';
var pluginName = 'treeview';
var _default = {};
_default.settings = {
injectStyle: true,
levels: 2,
expandIcon: 'glyphicon glyphicon-plus',
collapseIcon: 'glyphicon glyphicon-minus',
emptyIcon: 'glyphicon',
nodeIcon: '',
selectedIcon: '',
checkedIcon: 'glyphicon glyphicon-check',
uncheckedIcon: 'glyphicon glyphicon-unchecked',
color: undefined, // '#000000',
backColor: undefined, // '#FFFFFF',
borderColor: undefined, // '#dddddd',
onhoverColor: '#F5F5F5',
selectedColor: '#FFFFFF',
selectedBackColor: '#428bca',
searchResultColor: '#D9534F',
searchResultBackColor: undefined, //'#FFFFFF',
enableLinks: false,
highlightSelected: true,
highlightSearchResults: true,
showBorder: true,
showIcon: true,
showCheckbox: false,
showTags: false,
multiSelect: false,
// Event handlers
onNodeChecked: undefined,
onNodeCollapsed: undefined,
onNodeDisabled: undefined,
onNodeEnabled: undefined,
onNodeExpanded: undefined,// 先找事件 gz
onNodeSelected: undefined,
onNodeUnchecked: undefined,
onNodeUnselected: undefined,
onSearchComplete: undefined,
onSearchCleared: undefined
// 拖拽相关事件 gz
};
_default.options = {
silent: false,
ignoreChildren: false
};
_default.searchOptions = {
ignoreCase: true,
exactMatch: false,
revealResults: true
};
var Tree = function (element, options) {
console.log("Tree", options);
this.$element = $(element);
this.elementId = element.id;
this.styleId = this.elementId + '-style';
this.init(options);
return {
// Options (public access)
options: this.options,
// Initialize / destroy methods
init: $.proxy(this.init, this),
remove: $.proxy(this.remove, this),
// Get methods
getNode: $.proxy(this.getNode, this),
getParent: $.proxy(this.getParent, this),
getSiblings: $.proxy(this.getSiblings, this),
getSelected: $.proxy(this.getSelected, this),
getUnselected: $.proxy(this.getUnselected, this),
getExpanded: $.proxy(this.getExpanded, this),
getCollapsed: $.proxy(this.getCollapsed, this),
getChecked: $.proxy(this.getChecked, this),
getUnchecked: $.proxy(this.getUnchecked, this),
getDisabled: $.proxy(this.getDisabled, this),
getEnabled: $.proxy(this.getEnabled, this),
// Select methods
selectNode: $.proxy(this.selectNode, this),
unselectNode: $.proxy(this.unselectNode, this),
toggleNodeSelected: $.proxy(this.toggleNodeSelected, this),
// Expand / collapse methods
collapseAll: $.proxy(this.collapseAll, this),
collapseNode: $.proxy(this.collapseNode, this),
expandAll: $.proxy(this.expandAll, this),
expandNode: $.proxy(this.expandNode, this),
toggleNodeExpanded: $.proxy(this.toggleNodeExpanded, this),
revealNode: $.proxy(this.revealNode, this),
// Expand / collapse methods
checkAll: $.proxy(this.checkAll, this),
checkNode: $.proxy(this.checkNode, this),
uncheckAll: $.proxy(this.uncheckAll, this),
uncheckNode: $.proxy(this.uncheckNode, this),
toggleNodeChecked: $.proxy(this.toggleNodeChecked, this),
// Disable / enable methods
disableAll: $.proxy(this.disableAll, this),
disableNode: $.proxy(this.disableNode, this),
enableAll: $.proxy(this.enableAll, this),
enableNode: $.proxy(this.enableNode, this),
toggleNodeDisabled: $.proxy(this.toggleNodeDisabled, this),
// Search methods
search: $.proxy(this.search, this),
clearSearch: $.proxy(this.clearSearch, this),
// 拖拽相关事件绑定
};
};
Tree.prototype.init = function (options) {
this.tree = [];
this.nodes = [];
if (options.data) {
if (typeof options.data === 'string') {
options.data = $.parseJSON(options.data);
}
this.tree = $.extend(true, [], options.data);
delete options.data;
}
this.options = $.extend({}, _default.settings, options);
this.destroy();
this.subscribeEvents();
this.setInitialStates({ nodes: this.tree }, 0);
this.render();
};
Tree.prototype.remove = function () {
this.destroy();
$.removeData(this, pluginName);
$('#' + this.styleId).remove();
};
Tree.prototype.destroy = function () {
if (!this.initialized) return;
this.$wrapper.remove();
this.$wrapper = null;
// Switch off events
this.unsubscribeEvents();
// Reset this.initialized flag
this.initialized = false;
};
Tree.prototype.unsubscribeEvents = function () {
this.$element.off('click');
this.$element.off('nodeChecked');
this.$element.off('nodeCollapsed');
this.$element.off('nodeDisabled');
this.$element.off('nodeEnabled');
this.$element.off('nodeExpanded');
this.$element.off('nodeSelected');
this.$element.off('nodeUnchecked');
this.$element.off('nodeUnselected');
this.$element.off('searchComplete');
this.$element.off('searchCleared');
// 拖拽相关事件绑定 gz
};
Tree.prototype.subscribeEvents = function () {
this.unsubscribeEvents();
this.$element.on('click', $.proxy(this.clickHandler, this));
if (typeof (this.options.onNodeChecked) === 'function') {
this.$element.on('nodeChecked', this.options.onNodeChecked);
}
if (typeof (this.options.onNodeCollapsed) === 'function') {
this.$element.on('nodeCollapsed', this.options.onNodeCollapsed);
}
if (typeof (this.options.onNodeDisabled) === 'function') {
this.$element.on('nodeDisabled', this.options.onNodeDisabled);
}
if (typeof (this.options.onNodeEnabled) === 'function') {
this.$element.on('nodeEnabled', this.options.onNodeEnabled);
}
if (typeof (this.options.onNodeExpanded) === 'function') {
// 这是他封装的事件 gz 然后再找事件源
this.$element.on('nodeExpanded', this.options.onNodeExpanded);
}
if (typeof (this.options.onNodeSelected) === 'function') {
// this.$element.on('nodeSelected', this.options.onNodeSelected);
this.$element.on('nodeSelected', this.options.onNodeSelected);
}
if (typeof (this.options.onNodeUnchecked) === 'function') {
this.$element.on('nodeUnchecked', this.options.onNodeUnchecked);
}
if (typeof (this.options.onNodeUnselected) === 'function') {
this.$element.on('nodeUnselected', this.options.onNodeUnselected);
}
if (typeof (this.options.onSearchComplete) === 'function') {
this.$element.on('searchComplete', this.options.onSearchComplete);
}
if (typeof (this.options.onSearchCleared) === 'function') {
this.$element.on('searchCleared', this.options.onSearchCleared);
}
// 拖拽相关事件 gz
};
/*
Recurse the tree structure and ensure all nodes have
valid initial states. User defined states will be preserved.
For performance we also take this opportunity to
index nodes in a flattened structure
*/
Tree.prototype.setInitialStates = function (node, level) {
if (!node.nodes) return;
level += 1;
var parent = node;
var _this = this;
$.each(node.nodes, function checkStates(index, node) {
// nodeId : unique, incremental identifier
node.nodeId = _this.nodes.length;
// parentId : transversing up the tree
node.parentId = parent.nodeId;
// if not provided set selectable default value
if (!node.hasOwnProperty('selectable')) {
node.selectable = true;
}
// where provided we should preserve states
node.state = node.state || {};
// set checked state; unless set always false
if (!node.state.hasOwnProperty('checked')) {
node.state.checked = false;
}
// set enabled state; unless set always false
if (!node.state.hasOwnProperty('disabled')) {
node.state.disabled = false;
}
// set expanded state; if not provided based on levels
if (!node.state.hasOwnProperty('expanded')) {
if (!node.state.disabled &&
(level < _this.options.levels) &&
(node.nodes && node.nodes.length > 0)) {
node.state.expanded = true;
}
else {
node.state.expanded = false;
}
}
// set selected state; unless set always false
if (!node.state.hasOwnProperty('selected')) {
node.state.selected = false;
}
// index nodes in a flattened structure for use later
_this.nodes.push(node);
// recurse child nodes and transverse the tree
if (node.nodes) {
_this.setInitialStates(node, level);
}
});
};
Tree.prototype.clickHandler = function (event) {
if (!this.options.enableLinks) event.preventDefault();
var target = $(event.target);
var node = this.findNode(target);
if (!node || node.state.disabled) return;
var classList = target.attr('class') ? target.attr('class').split(' ') : [];
if ((classList.indexOf('expand-icon') !== -1)) {
this.toggleExpandedState(node, _default.options);
this.render();
}
else if ((classList.indexOf('check-icon') !== -1)) {
this.toggleCheckedState(node, _default.options);
this.render();
}
else {
if (node.selectable) {
this.toggleSelectedState(node, _default.options);
} else {
this.toggleExpandedState(node, _default.options);
}
this.render();
}
};
// Looks up the DOM for the closest parent list item to retrieve the
// data attribute nodeid, which is used to lookup the node in the flattened structure.
Tree.prototype.findNode = function (target) {
var nodeId = target.closest('li.list-group-item').attr('data-nodeid');
var node = this.nodes[nodeId];
if (!node) {
console.log('Error: node does not exist');
}
return node;
};
// 得出 他在这里做的，然后再找这个方法 gz
Tree.prototype.toggleExpandedState = function (node, options) {
if (!node) return;
this.setExpandedState(node, !node.state.expanded, options);
};
// 看看 这个方法在哪里调用的 gz
Tree.prototype.setExpandedState = function (node, state, options) {
if (state === node.state.expanded) return;
if (state && node.nodes) {
// Expand a node
node.state.expanded = true;
if (!options.silent) {
// 然后再看事件源怎么处理的 gz
this.$element.trigger('nodeExpanded', $.extend(true, {}, node));
}
}
else if (!state) {
// Collapse a node
node.state.expanded = false;
if (!options.silent) {
this.$element.trigger('nodeCollapsed', $.extend(true, {}, node));
}
// Collapse child nodes
if (node.nodes && !options.ignoreChildren) {
$.each(node.nodes, $.proxy(function (index, node) {
this.setExpandedState(node, false, options);
}, this));
}
}
};
Tree.prototype.toggleSelectedState = function (node, options) {
if (!node) return;
this.setSelectedState(node, !node.state.selected, options);
};
Tree.prototype.setSelectedState = function (node, state, options) {
if (state === node.state.selected) return;
if (state) {
// If multiSelect false, unselect previously selected
if (!this.options.multiSelect) {
$.each(this.findNodes('true', 'g', 'state.selected'), $.proxy(function (index, node) {
this.setSelectedState(node, false, options);
}, this));
}
// Continue selecting node
node.state.selected = true;
if (!options.silent) {
this.$element.trigger('nodeSelected', $.extend(true, {}, node));
}
}
else {
// Unselect node
node.state.selected = false;
if (!options.silent) {
this.$element.trigger('nodeUnselected', $.extend(true, {}, node));
}
}
};
Tree.prototype.toggleCheckedState = function (node, options) {
if (!node) return;
this.setCheckedState(node, !node.state.checked, options);
};
Tree.prototype.setCheckedState = function (node, state, options) {
if (state === node.state.checked) return;
if (state) {
// Check node
node.state.checked = true;
if (!options.silent) {
this.$element.trigger('nodeChecked', $.extend(true, {}, node));
}
}
else {
// Uncheck node
node.state.checked = false;
if (!options.silent) {
this.$element.trigger('nodeUnchecked', $.extend(true, {}, node));
}
}
};
Tree.prototype.setDisabledState = function (node, state, options) {
if (state === node.state.disabled) return;
if (state) {
// Disable node
node.state.disabled = true;
// Disable all other states
this.setExpandedState(node, false, options);
this.setSelectedState(node, false, options);
this.setCheckedState(node, false, options);
if (!options.silent) {
this.$element.trigger('nodeDisabled', $.extend(true, {}, node));
}
}
else {
// Enabled node
node.state.disabled = false;
if (!options.silent) {
this.$element.trigger('nodeEnabled', $.extend(true, {}, node));
}
}
};
//拖拽相关事件绑定 gz
Tree.prototype.render = function () {
if (!this.initialized) {
// Setup first time only components
this.$element.addClass(pluginName);
this.$wrapper = $(this.template.list);
this.injectStyle();
this.initialized = true;
}
this.$element.empty().append(this.$wrapper.empty());
// Build tree
this.buildTree(this.tree, 0);
};
// Starting from the root node, and recursing down the
// structure we build the tree one node at a time
Tree.prototype.buildTree = function (nodes, level) {
if (!nodes) return;
level += 1;
var _this = this;
$.each(nodes, function addNodes(id, node) {
var treeItem = $(_this.template.item)
.addClass('node-' + _this.elementId)
.addClass(node.state.checked ? 'node-checked' : '')
.addClass(node.state.disabled ? 'node-disabled' : '')
.addClass(node.state.selected ? 'node-selected' : '')
.addClass(node.searchResult ? 'search-result' : '')
.attr('data-nodeid', node.nodeId)
// .attr('data-parent-code', node.parentCode) // 这个是当前节点的父级节点的code，主要是为了实现父级拖拽的时候可以把子级同时移动 gz。
.attr('data-level', level) // 这个是当前节点的层级数据，之前有就可以不写 gz。
.attr('draggable', true) // 激发拖拽 gz
// .attr("ondrop", "drop(event)") // 结束拖拽 gz
// .attr("ondragover", "allowDrop(event)") // 拖拽中 gz
// .attr("ondragstart", _this.options.onDragStart) // 目标开始拖拽事件 gz
// .attr("ondragenter", "dragEnter(event)") //当拖拽对象进入投放区时触发
// .attr("ondragleave", "dragLeave(event)") //元素被拖出了投放区时触发
.attr('style', _this.buildStyleOverride(node));
console.log(_this);
// 主要是这几个函数，你通过_this 就是可以拿到插件内的数据了
$(treeItem).on("dragstart", function (event) {
console.log("drop-开始拖拽", event, _this);
// _this.options.onDragStart(event, _this)
})
$(treeItem).on("drop", function (event) {
console.log("drop-结束拖拽", event, _this);
// _this.options.onDragStart(event, _this)
})
$(treeItem).on("dragover", function (event) {
event.preventDefault(); // 拖拽中
// _this.options.onDragStart(event, _this)
})
$(treeItem).on("dragenter", function (event) {
console.log("dragenter"); // 当拖拽对象进入投放区时触发
// _this.options.onDragStart(event, _this)
})
$(treeItem).on("dragleave", function (event) {
console.log("dragleave");// 元素被拖出了投放区时触发
// _this.options.onDragStart(event, _this)
})
// Add indent/spacer to mimic tree structure
for (var i = 0; i < (level - 1); i++) {
treeItem.append(_this.template.indent);
}
// Add expand, collapse or empty spacer icons
var classList = [];
if (node.nodes) {
classList.push('expand-icon');
if (node.state.expanded) {
classList.push(_this.options.collapseIcon);
}
else {
classList.push(_this.options.expandIcon);
}
}
else {
classList.push(_this.options.emptyIcon);
}
treeItem
.append($(_this.template.icon)
.addClass(classList.join(' '))
);
// Add node icon
if (_this.options.showIcon) {
var classList = ['node-icon'];
classList.push(node.icon || _this.options.nodeIcon);
if (node.state.selected) {
classList.pop();
classList.push(node.selectedIcon || _this.options.selectedIcon ||
node.icon || _this.options.nodeIcon);
}
treeItem
.append($(_this.template.icon)
.addClass(classList.join(' '))
);
}
// Add check / unchecked icon
if (_this.options.showCheckbox) {
var classList = ['check-icon'];
if (node.state.checked) {
classList.push(_this.options.checkedIcon);
}
else {
classList.push(_this.options.uncheckedIcon);
}
treeItem
.append($(_this.template.icon)
.addClass(classList.join(' '))
);
}
// Add text
if (_this.options.enableLinks) {
// Add hyperlink
treeItem
.append($(_this.template.link)
.attr('href', node.href)
.append(node.text)
);
}
else {
// otherwise just text
treeItem
.append(node.text);
}
// Add tags as badges
if (_this.options.showTags && node.tags) {
$.each(node.tags, function addTag(id, tag) {
treeItem
.append($(_this.template.badge)
.append(tag)
);
});
}
// Add item to the tree
_this.$wrapper.append(treeItem);
// Recursively add child ndoes
if (node.nodes && node.state.expanded && !node.state.disabled) {
return _this.buildTree(node.nodes, level);
}
});
};
Tree.prototype.onDragStart = function (event, data) {
console.log("---ondragstart", event, data);
}
// Define any node level style override for
// 1. selectedNode
// 2. node|data assigned color overrides
Tree.prototype.buildStyleOverride = function (node) {
if (node.state.disabled) return '';
var color = node.color;
var backColor = node.backColor;
if (this.options.highlightSelected && node.state.selected) {
if (this.options.selectedColor) {
color = this.options.selectedColor;
}
if (this.options.selectedBackColor) {
backColor = this.options.selectedBackColor;
}
}
if (this.options.highlightSearchResults && node.searchResult && !node.state.disabled) {
if (this.options.searchResultColor) {
color = this.options.searchResultColor;
}
if (this.options.searchResultBackColor) {
backColor = this.options.searchResultBackColor;
}
}
return 'color:' + color +
';background-color:' + backColor + ';';
};
// Add inline style into head
Tree.prototype.injectStyle = function () {
if (this.options.injectStyle && !document.getElementById(this.styleId)) {
$('<style type="text/css" id="' + this.styleId + '"> ' + this.buildStyle() + ' </style>').appendTo('head');
}
};
// Construct trees style based on user options
Tree.prototype.buildStyle = function () {
var style = '.node-' + this.elementId + '{';
if (this.options.color) {
style += 'color:' + this.options.color + ';';
}
if (this.options.backColor) {
style += 'background-color:' + this.options.backColor + ';';
}
if (!this.options.showBorder) {
style += 'border:none;';
}
else if (this.options.borderColor) {
style += 'border:1px solid ' + this.options.borderColor + ';';
}
style += '}';
if (this.options.onhoverColor) {
style += '.node-' + this.elementId + ':not(.node-disabled):hover{' +
'background-color:' + this.options.onhoverColor + ';' +
'}';
}
return this.css + style;
};
Tree.prototype.template = {
list: '<ul class="list-group"></ul>',
item: '<li class="list-group-item"></li>',
indent: '<span class="indent"></span>',
icon: '<span class="icon"></span>',
link: '<a href="#" style="color:inherit;"></a>',
badge: '<span class="badge"></span>'
};
Tree.prototype.css = '.treeview .list-group-item{cursor:pointer}.treeview span.indent{margin-left:10px;margin-right:10px}.treeview span.icon{width:12px;margin-right:5px}.treeview .node-disabled{color:silver;cursor:not-allowed}'
/**
Returns a single node object that matches the given node id.
@param {Number} nodeId - A node's unique identifier
@return {Object} node - Matching node
*/
Tree.prototype.getNode = function (nodeId) {
return this.nodes[nodeId];
};
/**
Returns the parent node of a given node, if valid otherwise returns undefined.
@param {Object|Number} identifier - A valid node or node id
@returns {Object} node - The parent node
*/
Tree.prototype.getParent = function (identifier) {
var node = this.identifyNode(identifier);
return this.nodes[node.parentId];
};
/**
Returns an array of sibling nodes for a given node, if valid otherwise returns undefined.
@param {Object|Number} identifier - A valid node or node id
@returns {Array} nodes - Sibling nodes
*/
Tree.prototype.getSiblings = function (identifier) {
var node = this.identifyNode(identifier);
var parent = this.getParent(node);
var nodes = parent ? parent.nodes : this.tree;
return nodes.filter(function (obj) {
return obj.nodeId !== node.nodeId;
});
};
/**
Returns an array of selected nodes.
@returns {Array} nodes - Selected nodes
*/
Tree.prototype.getSelected = function () {
return this.findNodes('true', 'g', 'state.selected');
};
/**
Returns an array of unselected nodes.
@returns {Array} nodes - Unselected nodes
*/
Tree.prototype.getUnselected = function () {
return this.findNodes('false', 'g', 'state.selected');
};
/**
Returns an array of expanded nodes.
@returns {Array} nodes - Expanded nodes
*/
Tree.prototype.getExpanded = function () {
return this.findNodes('true', 'g', 'state.expanded');
};
/**
Returns an array of collapsed nodes.
@returns {Array} nodes - Collapsed nodes
*/
Tree.prototype.getCollapsed = function () {
return this.findNodes('false', 'g', 'state.expanded');
};
/**
Returns an array of checked nodes.
@returns {Array} nodes - Checked nodes
*/
Tree.prototype.getChecked = function () {
return this.findNodes('true', 'g', 'state.checked');
};
/**
Returns an array of unchecked nodes.
@returns {Array} nodes - Unchecked nodes
*/
Tree.prototype.getUnchecked = function () {
return this.findNodes('false', 'g', 'state.checked');
};
/**
Returns an array of disabled nodes.
@returns {Array} nodes - Disabled nodes
*/
Tree.prototype.getDisabled = function () {
return this.findNodes('true', 'g', 'state.disabled');
};
/**
Returns an array of enabled nodes.
@returns {Array} nodes - Enabled nodes
*/
Tree.prototype.getEnabled = function () {
return this.findNodes('false', 'g', 'state.disabled');
};
/**
Set a node state to selected
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.selectNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setSelectedState(node, true, options);
}, this));
this.render();
};
/**
Set a node state to unselected
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.unselectNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setSelectedState(node, false, options);
}, this));
this.render();
};
/**
Toggles a node selected state; selecting if unselected, unselecting if selected.
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.toggleNodeSelected = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.toggleSelectedState(node, options);
}, this));
this.render();
};
/**
Collapse all tree nodes
@param {optional Object} options
*/
Tree.prototype.collapseAll = function (options) {
var identifiers = this.findNodes('true', 'g', 'state.expanded');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setExpandedState(node, false, options);
}, this));
this.render();
};
/**
Collapse a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.collapseNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setExpandedState(node, false, options);
}, this));
this.render();
};
/**
Expand all tree nodes
@param {optional Object} options
*/
Tree.prototype.expandAll = function (options) {
options = $.extend({}, _default.options, options);
if (options && options.levels) {
this.expandLevels(this.tree, options.levels, options);
}
else {
var identifiers = this.findNodes('false', 'g', 'state.expanded');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setExpandedState(node, true, options);
}, this));
}
this.render();
};
/**
Expand a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.expandNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setExpandedState(node, true, options);
if (node.nodes && (options && options.levels)) {
this.expandLevels(node.nodes, options.levels - 1, options);
}
}, this));
this.render();
};
Tree.prototype.expandLevels = function (nodes, level, options) {
options = $.extend({}, _default.options, options);
$.each(nodes, $.proxy(function (index, node) {
this.setExpandedState(node, (level > 0) ? true : false, options);
if (node.nodes) {
this.expandLevels(node.nodes, level - 1, options);
}
}, this));
};
/**
Reveals a given tree node, expanding the tree from node to root.
@param {Object|Number|Array} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.revealNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
var parentNode = this.getParent(node);
while (parentNode) {
this.setExpandedState(parentNode, true, options);
parentNode = this.getParent(parentNode);
};
}, this));
this.render();
};
/**
Toggles a nodes expanded state; collapsing if expanded, expanding if collapsed.
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.toggleNodeExpanded = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.toggleExpandedState(node, options);
}, this));
this.render();
};
/**
Check all tree nodes
@param {optional Object} options
*/
Tree.prototype.checkAll = function (options) {
var identifiers = this.findNodes('false', 'g', 'state.checked');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setCheckedState(node, true, options);
}, this));
this.render();
};
/**
Check a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.checkNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setCheckedState(node, true, options);
}, this));
this.render();
};
/**
Uncheck all tree nodes
@param {optional Object} options
*/
Tree.prototype.uncheckAll = function (options) {
var identifiers = this.findNodes('true', 'g', 'state.checked');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setCheckedState(node, false, options);
}, this));
this.render();
};
/**
Uncheck a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.uncheckNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setCheckedState(node, false, options);
}, this));
this.render();
};
/**
Toggles a nodes checked state; checking if unchecked, unchecking if checked.
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.toggleNodeChecked = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.toggleCheckedState(node, options);
}, this));
this.render();
};
/**
Disable all tree nodes
@param {optional Object} options
*/
Tree.prototype.disableAll = function (options) {
var identifiers = this.findNodes('false', 'g', 'state.disabled');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setDisabledState(node, true, options);
}, this));
this.render();
};
/**
Disable a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.disableNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setDisabledState(node, true, options);
}, this));
this.render();
};
/**
Enable all tree nodes
@param {optional Object} options
*/
Tree.prototype.enableAll = function (options) {
var identifiers = this.findNodes('true', 'g', 'state.disabled');
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setDisabledState(node, false, options);
}, this));
this.render();
};
/**
Enable a given tree node
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.enableNode = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setDisabledState(node, false, options);
}, this));
this.render();
};
/**
Toggles a nodes disabled state; disabling is enabled, enabling if disabled.
@param {Object|Number} identifiers - A valid node, node id or array of node identifiers
@param {optional Object} options
*/
Tree.prototype.toggleNodeDisabled = function (identifiers, options) {
this.forEachIdentifier(identifiers, options, $.proxy(function (node, options) {
this.setDisabledState(node, !node.state.disabled, options);
}, this));
this.render();
};
/**
Common code for processing multiple identifiers
*/
Tree.prototype.forEachIdentifier = function (identifiers, options, callback) {
options = $.extend({}, _default.options, options);
if (!(identifiers instanceof Array)) {
identifiers = [identifiers];
}
$.each(identifiers, $.proxy(function (index, identifier) {
callback(this.identifyNode(identifier), options);
}, this));
};
/*
Identifies a node from either a node id or object
*/
Tree.prototype.identifyNode = function (identifier) {
return ((typeof identifier) === 'number') ?
this.nodes[identifier] :
identifier;
};
/**
Searches the tree for nodes (text) that match given criteria
@param {String} pattern - A given string to match against
@param {optional Object} options - Search criteria options
@return {Array} nodes - Matching nodes
*/
Tree.prototype.search = function (pattern, options) {
options = $.extend({}, _default.searchOptions, options);
this.clearSearch({ render: false });
var results = [];
if (pattern && pattern.length > 0) {
if (options.exactMatch) {
pattern = '^' + pattern + '$';
}
var modifier = 'g';
if (options.ignoreCase) {
modifier += 'i';
}
results = this.findNodes(pattern, modifier);
// Add searchResult property to all matching nodes
// This will be used to apply custom styles
// and when identifying result to be cleared
$.each(results, function (index, node) {
node.searchResult = true;
})
}
// If revealResults, then render is triggered from revealNode
// otherwise we just call render.
if (options.revealResults) {
this.revealNode(results);
}
else {
this.render();
}
this.$element.trigger('searchComplete', $.extend(true, {}, results));
return results;
};
/**
Clears previous search results
*/
Tree.prototype.clearSearch = function (options) {
options = $.extend({}, { render: true }, options);
var results = $.each(this.findNodes('true', 'g', 'searchResult'), function (index, node) {
node.searchResult = false;
});
if (options.render) {
this.render();
}
this.$element.trigger('searchCleared', $.extend(true, {}, results));
};
/**
Find nodes that match a given criteria
@param {String} pattern - A given string to match against
@param {optional String} modifier - Valid RegEx modifiers
@param {optional String} attribute - Attribute to compare pattern against
@return {Array} nodes - Nodes that match your criteria
*/
Tree.prototype.findNodes = function (pattern, modifier, attribute) {
modifier = modifier || 'g';
attribute = attribute || 'text';
var _this = this;
return $.grep(this.nodes, function (node) {
var val = _this.getNodeValue(node, attribute);
if (typeof val === 'string') {
return val.match(new RegExp(pattern, modifier));
}
});
};
/**
Recursive find for retrieving nested attributes values
All values are return as strings, unless invalid
@param {Object} obj - Typically a node, could be any object
@param {String} attr - Identifies an object property using dot notation
@return {String} value - Matching attributes string representation
*/
Tree.prototype.getNodeValue = function (obj, attr) {
var index = attr.indexOf('.');
if (index > 0) {
var _obj = obj[attr.substring(0, index)];
var _attr = attr.substring(index + 1, attr.length);
return this.getNodeValue(_obj, _attr);
}
else {
if (obj.hasOwnProperty(attr)) {
return obj[attr].toString();
}
else {
return undefined;
}
}
};
var logError = function (message) {
if (window.console) {
window.console.error(message);
}
};
// Prevent against multiple instantiations,
// handle updates and method calls
$.fn[pluginName] = function (options, args) {
var result;
this.each(function () {
var _this = $.data(this, pluginName);
if (typeof options === 'string') {
if (!_this) {
logError('Not initialized, can not call method : ' + options);
}
else if (!$.isFunction(_this[options]) || options.charAt(0) === '_') {
logError('No such method : ' + options);
}
else {
if (!(args instanceof Array)) {
args = [args];
}
result = _this[options].apply(_this, args);
}
}
else if (typeof options === 'boolean') {
result = _this;
}
else {
$.data(this, pluginName, new Tree(this, $.extend(true, {}, options)));
}
});
return result || this;
};
})(jQuery, window, document);
