[619] | 1 | /* |
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| 2 | * Ext JS Library 2.2.1 |
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| 3 | * Copyright(c) 2006-2009, Ext JS, LLC. |
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| 4 | * licensing@extjs.com |
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| 5 | * |
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| 6 | * http://extjs.com/license |
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| 7 | */ |
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| 8 | |
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| 9 | /** |
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| 10 | * @class Ext.tree.TreeEditor |
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| 11 | * @extends Ext.Editor |
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| 12 | * Provides editor functionality for inline tree node editing. Any valid {@link Ext.form.Field} subclass can be used |
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| 13 | * as the editor field. |
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| 14 | * @constructor |
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| 15 | * @param {TreePanel} tree |
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| 16 | * @param {Object} fieldConfig (optional) Either a prebuilt {@link Ext.form.Field} instance or a Field config object |
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| 17 | * that will be applied to the default field instance (defaults to a {@link Ext.form.TextField}). |
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| 18 | * @param {Object} config (optional) A TreeEditor config object |
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| 19 | */ |
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| 20 | Ext.tree.TreeEditor = function(tree, fc, config){ |
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| 21 | fc = fc || {}; |
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| 22 | var field = fc.events ? fc : new Ext.form.TextField(fc); |
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| 23 | Ext.tree.TreeEditor.superclass.constructor.call(this, field, config); |
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| 24 | |
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| 25 | this.tree = tree; |
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| 26 | |
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| 27 | if(!tree.rendered){ |
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| 28 | tree.on('render', this.initEditor, this); |
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| 29 | }else{ |
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| 30 | this.initEditor(tree); |
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| 31 | } |
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| 32 | }; |
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| 33 | |
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| 34 | Ext.extend(Ext.tree.TreeEditor, Ext.Editor, { |
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| 35 | /** |
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| 36 | * @cfg {String} alignment |
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| 37 | * The position to align to (see {@link Ext.Element#alignTo} for more details, defaults to "l-l"). |
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| 38 | */ |
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| 39 | alignment: "l-l", |
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| 40 | // inherit |
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| 41 | autoSize: false, |
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| 42 | /** |
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| 43 | * @cfg {Boolean} hideEl |
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| 44 | * True to hide the bound element while the editor is displayed (defaults to false) |
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| 45 | */ |
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| 46 | hideEl : false, |
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| 47 | /** |
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| 48 | * @cfg {String} cls |
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| 49 | * CSS class to apply to the editor (defaults to "x-small-editor x-tree-editor") |
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| 50 | */ |
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| 51 | cls: "x-small-editor x-tree-editor", |
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| 52 | /** |
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| 53 | * @cfg {Boolean} shim |
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| 54 | * True to shim the editor if selects/iframes could be displayed beneath it (defaults to false) |
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| 55 | */ |
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| 56 | shim:false, |
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| 57 | // inherit |
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| 58 | shadow:"frame", |
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| 59 | /** |
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| 60 | * @cfg {Number} maxWidth |
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| 61 | * The maximum width in pixels of the editor field (defaults to 250). Note that if the maxWidth would exceed |
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| 62 | * the containing tree element's size, it will be automatically limited for you to the container width, taking |
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| 63 | * scroll and client offsets into account prior to each edit. |
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| 64 | */ |
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| 65 | maxWidth: 250, |
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| 66 | /** |
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| 67 | * @cfg {Number} editDelay The number of milliseconds between clicks to register a double-click that will trigger |
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| 68 | * editing on the current node (defaults to 350). If two clicks occur on the same node within this time span, |
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| 69 | * the editor for the node will display, otherwise it will be processed as a regular click. |
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| 70 | */ |
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| 71 | editDelay : 350, |
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| 72 | |
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| 73 | initEditor : function(tree){ |
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| 74 | tree.on('beforeclick', this.beforeNodeClick, this); |
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| 75 | tree.on('dblclick', this.onNodeDblClick, this); |
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| 76 | this.on('complete', this.updateNode, this); |
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| 77 | this.on('beforestartedit', this.fitToTree, this); |
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| 78 | this.on('startedit', this.bindScroll, this, {delay:10}); |
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| 79 | this.on('specialkey', this.onSpecialKey, this); |
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| 80 | }, |
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| 81 | |
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| 82 | // private |
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| 83 | fitToTree : function(ed, el){ |
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| 84 | var td = this.tree.getTreeEl().dom, nd = el.dom; |
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| 85 | if(td.scrollLeft > nd.offsetLeft){ // ensure the node left point is visible |
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| 86 | td.scrollLeft = nd.offsetLeft; |
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| 87 | } |
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| 88 | var w = Math.min( |
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| 89 | this.maxWidth, |
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| 90 | (td.clientWidth > 20 ? td.clientWidth : td.offsetWidth) - Math.max(0, nd.offsetLeft-td.scrollLeft) - /*cushion*/5); |
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| 91 | this.setSize(w, ''); |
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| 92 | }, |
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| 93 | |
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| 94 | // private |
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| 95 | triggerEdit : function(node, defer){ |
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| 96 | this.completeEdit(); |
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| 97 | if(node.attributes.editable !== false){ |
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| 98 | /** |
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| 99 | * The tree node this editor is bound to. Read-only. |
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| 100 | * @type Ext.tree.TreeNode |
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| 101 | * @property editNode |
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| 102 | */ |
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| 103 | this.editNode = node; |
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| 104 | if(this.tree.autoScroll){ |
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| 105 | node.ui.getEl().scrollIntoView(this.tree.body); |
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| 106 | } |
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| 107 | this.autoEditTimer = this.startEdit.defer(this.editDelay, this, [node.ui.textNode, node.text]); |
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| 108 | return false; |
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| 109 | } |
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| 110 | }, |
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| 111 | |
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| 112 | // private |
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| 113 | bindScroll : function(){ |
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| 114 | this.tree.getTreeEl().on('scroll', this.cancelEdit, this); |
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| 115 | }, |
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| 116 | |
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| 117 | // private |
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| 118 | beforeNodeClick : function(node, e){ |
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| 119 | clearTimeout(this.autoEditTimer); |
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| 120 | if(this.tree.getSelectionModel().isSelected(node)){ |
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| 121 | e.stopEvent(); |
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| 122 | return this.triggerEdit(node); |
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| 123 | } |
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| 124 | }, |
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| 125 | |
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| 126 | onNodeDblClick : function(node, e){ |
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| 127 | clearTimeout(this.autoEditTimer); |
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| 128 | }, |
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| 129 | |
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| 130 | // private |
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| 131 | updateNode : function(ed, value){ |
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| 132 | this.tree.getTreeEl().un('scroll', this.cancelEdit, this); |
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| 133 | this.editNode.setText(value); |
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| 134 | }, |
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| 135 | |
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| 136 | // private |
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| 137 | onHide : function(){ |
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| 138 | Ext.tree.TreeEditor.superclass.onHide.call(this); |
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| 139 | if(this.editNode){ |
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| 140 | this.editNode.ui.focus.defer(50, this.editNode.ui); |
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| 141 | } |
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| 142 | }, |
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| 143 | |
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| 144 | // private |
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| 145 | onSpecialKey : function(field, e){ |
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| 146 | var k = e.getKey(); |
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| 147 | if(k == e.ESC){ |
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| 148 | e.stopEvent(); |
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| 149 | this.cancelEdit(); |
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| 150 | }else if(k == e.ENTER && !e.hasModifier()){ |
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| 151 | e.stopEvent(); |
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| 152 | this.completeEdit(); |
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| 153 | } |
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| 154 | } |
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| 155 | }); |
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