combo扩展:禁止手工改变输入框的值

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>combo扩展之disableTextbox - jQuery EasyUI Demo</title>
    <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="../../themes/icon.css">
    <link rel="stylesheet" type="text/css" href="../demo.css">
    <script type="text/javascript" src="../../jquery-1.8.0.min.js"></script>
    <script type="text/javascript" src="../../jquery.easyui.min.js"></script>
    <script>
        $.extend($.fn.combo.methods, {
            /**
             * 禁用combo文本域
             * @param {Object} jq
             * @param {Object} param stopArrowFocus:是否阻止点击下拉按钮时foucs文本域
             * activeTextArrow:是否激活点击文本域也显示下拉列表
             * stoptype:禁用类型,包含disable和readOnly两种方式
             */
            disableTextbox: function(jq, param){
                return jq.each(function(){
                    param = param || {};
                    var textbox = $(this).combo("textbox");
                    var that = this;
                    var panel = $(this).combo("panel");
                    var data = $(this).data('combo');
                    if (param.stopArrowFocus) {
                        data.stopArrowFocus = param.stopArrowFocus;
                        var arrowbox = $.data(this, 'combo').combo.find('span.combo-arrow');
                        arrowbox.unbind('click.combo').bind('click.combo', function(){
                            if (panel.is(":visible")) {
                                $(that).combo('hidePanel');
                            }
                            else {
                                $("div.combo-panel").panel("close");
                                $(that).combo('showPanel');
                            }
                        });
                        textbox.unbind('mousedown.mycombo').bind('mousedown.mycombo', function(e){
                            e.preventDefault();
                        });
                    }
                    if (param.activeTextArrow) {
                        data.activeTextArrow = param.activeTextArrow;
                        textbox.bind('click.mycombo', function(){
                            if (panel.is(":visible")) {
                                $(that).combo('hidePanel');
                            }
                            else {
                                $("div.combo-panel").panel("close");
                                $(that).combo('showPanel');
                            }
                        });
                    }
                    textbox.prop(param.stoptype ? param.stoptype : 'disabled', true);
                    data.stoptype = param.stoptype ? param.stoptype : 'disabled';
                });
            },
            /**
             * 还原文本域
             * @param {Object} jq
             */
            enableTextbox: function(jq){
                return jq.each(function(){
                    var textbox = $(this).combo("textbox");
                    var data = $(this).data('combo');
                    if (data.stopArrowFocus) {
                        var that = this;
                        var panel = $(this).combo("panel");
                        var arrowbox = $.data(this, 'combo').combo.find('span.combo-arrow');
                        arrowbox.unbind('click.combo').bind('click.combo', function(){
                            if (panel.is(":visible")) {
                                $(that).combo('hidePanel');
                            }
                            else {
                                $("div.combo-panel").panel("close");
                                $(that).combo('showPanel');
                            }
                            textbox.focus();
                        });
                        textbox.unbind('mousedown.mycombo');
                        data.stopArrowFocus = null;
                    }
                    if (data.activeTextArrow) {
                        textbox.unbind('click.mycombo');
                        data.activeTextArrow = null;
                    }
                    textbox.prop(data.stoptype, false);
                    data.stoptype = null;
                });
            }
        });

        function disable(){
            $('#cc').combobox('disable');
        }
        function enable(){
            $('#cc').combobox('enable');
        }
        function disableText(){
            $('#cc,#cc2').combobox('disableTextbox',{stoptype:'readOnly',activeTextArrow:true,stopArrowFocus:true});
        }
        function enableText(){
            $('#cc,#cc2').combobox('enableTextbox');
        }
        
    </script>
</head>
<body>
    <h2>ComboBox</h2>
    <div class="demo-info">
        <div class="demo-tip icon-tip"></div>
        <div>大家可以比较combo自带的disable方法和我们扩展的disableText方法功能上有什么不同.</div>
    </div>
    
    <div style="margin:10px 0;">
        <a href="#" class="easyui-linkbutton" onclick="disable()">Disable</a>
        <a href="#" class="easyui-linkbutton" onclick="enable()">Enable</a>
        <a href="#" class="easyui-linkbutton" onclick="disableText()">disableText</a>
        <a href="#" class="easyui-linkbutton" onclick="enableText()">enableText</a>
    </div>
    
    <p>Simple ComboBox: </p>
    <select id="cc" class="easyui-combobox" name="state" style="width:200px;" data-options="required:true">
        <option value="AL">Alabama</option>
        <option value="AK">Alaska</option>
        <option value="AZ">Arizona</option>
        <option value="AR">Arkansas</option>
        <option value="CA">California</option>
        <option value="CO">Colorado</option>
        <option value="CT">Connecticut</option>
        <option value="DE">Delaware</option>
        <option value="FL">Florida</option>
        <option value="GA">Georgia</option>
        <option value="HI">Hawaii</option>
        <option value="ID">Idaho</option>
        <option value="IL">Illinois</option>
        <option value="IN">Indiana</option>
        <option value="IA">Iowa</option>
        <option value="KS">Kansas</option>
        <option value="KY">Kentucky</option>
        <option value="LA">Louisiana</option>
        <option value="ME">Maine</option>
        <option value="MD">Maryland</option>
        <option value="MA">Massachusetts</option>
        <option value="MI">Michigan</option>
        <option value="MN">Minnesota</option>
        <option value="MS">Mississippi</option>
        <option value="MO">Missouri</option>
        <option value="MT">Montana</option>
        <option value="NE">Nebraska</option>
        <option value="NV">Nevada</option>
        <option value="NH">New Hampshire</option>
        <option value="NJ">New Jersey</option>
        <option value="NM">New Mexico</option>
        <option value="NY">New York</option>
        <option value="NC">North Carolina</option>
        <option value="ND">North Dakota</option>
        <option value="OH" selected>Ohio</option>
        <option value="OK">Oklahoma</option>
        <option value="OR">Oregon</option>
        <option value="PA">Pennsylvania</option>
        <option value="RI">Rhode Island</option>
        <option value="SC">South Carolina</option>
        <option value="SD">South Dakota</option>
        <option value="TN">Tennessee</option>
        <option value="TX">Texas</option>
        <option value="UT">Utah</option>
        <option value="VT">Vermont</option>
        <option value="VA">Virginia</option>
        <option value="WA">Washington</option>
        <option value="WV">West Virginia</option>
        <option value="WI">Wisconsin</option>
        <option value="WY">Wyoming</option>
    </select>
    
    <p>Multiple ComboBox: </p>
    <input class="easyui-combobox" id="cc2"
            name="language"
            data-options="
                    url:'061.json',
                    valueField:'id',
                    textField:'text',
                    multiple:true,
                    panelHeight:'auto'
            ">
</body>
</html>

 

posted on 2016-03-05 16:24  与非朋仔  阅读(324)  评论(0编辑  收藏  举报

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