/* <copyright> Copyright (c) 2012, Motorola Mobility LLC. All Rights Reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Motorola Mobility LLC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. </copyright> */ /* ComputedStyleSubPanel.js */ var Montage = require("montage").Montage, Component = require("montage/ui/component").Component; /* EDITABLE - Methods - startEdit - stopEdit - value - - _suggest - _suggestNext - _suggestPrev - _clearSuggest - _accept - _revert - _setCaret */ exports.Editable = Montage.create(Component, { hasTemplate: { value: false }, _element : { value : null }, element : { get : function() { return this._element; }, set : function(el) { this._element = el; this._element.addEventListener('keydown', this, false); this._element.addEventListener('keyup', this, false); this._element.addEventListener('input', this, false); this._element.addEventListener('paste', this, false); if(this.startOnEvent) { this._element.addEventListener(this.startOnEvent, this, false); } } }, _readOnly : { value: false }, readOnly : { get : function() { return this._readOnly; }, set : function(makeReadOnly) { var action = makeReadOnly ? 'add' : 'remove'; this._element.classList[action](this.readOnlyClass); if(this.isEditable) { this.stop(); } this._readOnly = makeReadOnly; } }, _isEditable : { value : false }, isEditable : { get : function() { return this._isEditable; }, set: function(makeEditable) { if(this._readOnly && makeEditable) { return false; } this._isEditable = makeEditable; } }, _isDirty : { value: false }, isDirty : { get : function() { return this._isDirty; }, set : function(setDirty) { if(setDirty) { this._isDirty = true; this._sendEvent('dirty'); } else { this._isDirty = false; } } }, _value : { value: null }, value : { get : function() { return this._value; }, set : function(value) { if(value === this._value) { return; } var node = this._getFirstTextNode(); node.textContent = value; this._value = value; } }, _getFirstTextNode : { value : function(el) { ///// optional el argument specified container element var e = el || this._element, nodes = e.childNodes, node; if(nodes.length) { for(var i=0; i<nodes.length; i++) { if(nodes[i].nodeType === 3) { ///// found the first text node node = nodes[i]; break; } } } ///// Text node not found if(!node) { node = document.createTextNode(''); e.appendChild(node); } return node; } }, ///// Pre Edit Value ///// Value stored when editing starts ///// Useful for reverting to previous value _preEditValue : { value : null }, start : { value: function() { if(!this._readOnly) { this._isEditable = this._element.contentEditable = true; this._element.classList.add(this.editingClass); ///// Save the preEditValue this._preEditValue = this.value; // Initialize enteredValue with current value this.enteredValue = this.value; if(this.selectOnStart) { this.selectAll(); } if(this.stopOnBlur) { //console.log('adding mousedown event listener'); ///// Simulate blur on editable node by listening to the doc document.addEventListener('mousedown', this, false); } this._sendEvent('start'); } } }, stop : { value: function(eventData) { this._isEditable = this._element.contentEditable = false; this._element.classList.remove(this.editingClass); ///// if value is different than pre-edit val, call onchange method if(this._preEditValue !== this.value) { this._sendEvent('change'); } this._sendEvent('stop', eventData); document.removeEventListener('mousedown', this, false); } }, selectAll : { value : function() { var range = document.createRange(), sel = window.getSelection(); sel.removeAllRanges(); range.selectNodeContents(this._element); sel.addRange(range); } }, setCursor : { value : function(position) { var index = position, range, node, sel; ///// argument can be "end" or an index if(typeof position === 'string' && position === 'end') { index = this.value.length; } sel = window.getSelection(); sel.removeAllRanges(); //debugger; node = this._getFirstTextNode(); range = document.createRange(); range.setStart(node, index); range.setEnd(node, index); sel.addRange(range); } }, blur : { value : function(eventData) { if(this._hint) { this.accept(); } this.stop(eventData); this._sendEvent('blur'); } }, /* -------------------- User Event Handling -------------------- */ handleKeydown : { value : function(e) { var k = e.keyCode; } }, handleKeyup : { value : function(e) { // Record change in value this.enteredValue = this._element.firstChild.data; } }, ///// Text input has changed values handleInput : { value : function(e) { this.value = this._getFirstTextNode().textContent; if(!this.isDirty) { this.isDirty = true; } this._sendEvent('input'); } }, handleMousedown : { value : function(e) { //console.log('handle mouse down'); ///// Listen for simulated blur event if(this.stopOnBlur && e._event.target !== this._element) { this.blur({ "originalEventType": "mousedown", "originalEvent": e }); } } }, handlePaste : { value: function(e) { e.preventDefault(); document.execCommand('insertHTML', null, e._event.clipboardData.getData("Text")); this.value = this._element.textContent; this._sendEvent('paste', e); } }, handleEvent : { value : function(e) { //console.log("event type : " + e._event.type); ///// If configured, start on specified event if(e._event.type === this.startOnEvent) { this.start(); } } }, _sendEvent : { value : function(type, data) { var evt = document.createEvent("CustomEvent"); evt.initCustomEvent(type, true, true, data); this.dispatchEvent(evt); } }, /* -------------------- CONFIG -------------------- */ editingClass : { value : 'editable' }, readOnlyClass : { value : 'readOnly' }, selectOnStart : { value : true }, startOnEvent : { value : 'dblclick' }, stopOnBlur : { value : true }, keyActions : { value : { stop : [27,9,13], revert : [27], backsp : [8] }, distinct: true } });