+++ /dev/null
-<html>\r
-<head>\r
- <title>The source code</title>\r
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body onload="prettyPrint();">\r
- <pre class="prettyprint lang-js">// A DropZone which cooperates with DragZones whose dragData contains\r
-// a "field" property representing a form Field. Fields may be dropped onto\r
-// grid data cells containing a matching data type.\r
-Ext.ux.CellFieldDropZone = Ext.extend(Ext.dd.DropZone, {\r
- constructor: function(){},\r
-\r
-// Call the DropZone constructor using the View's scrolling element\r
-// only after the grid has been rendered.\r
- init: function(grid) {\r
- if (grid.rendered) {\r
- this.grid = grid;\r
- this.view = grid.getView();\r
- this.store = grid.getStore();\r
- Ext.ux.CellFieldDropZone.superclass.constructor.call(this, this.view.scroller);\r
- } else {\r
- grid.on('render', this.init, this);\r
- }\r
- },\r
-\r
-// Scroll the main configured Element when we drag close to the edge\r
- containerScroll: true,\r
-\r
- getTargetFromEvent: function(e) {\r
-// Ascertain whether the mousemove is within a grid cell\r
- var t = e.getTarget(this.view.cellSelector);\r
- if (t) {\r
-\r
-// We *are* within a grid cell, so ask the View exactly which one,\r
-// Extract data from the Model to create a target object for\r
-// processing in subsequent onNodeXXXX methods. Note that the target does\r
-// not have to be a DOM element. It can be whatever the noNodeXXX methods are\r
-// programmed to expect.\r
- var rowIndex = this.view.findRowIndex(t);\r
- var columnIndex = this.view.findCellIndex(t);\r
- if ((rowIndex !== false) && (columnIndex !== false)) {\r
- return {\r
- node: t,\r
- record: this.store.getAt(rowIndex),\r
- fieldName: this.grid.getColumnModel().getDataIndex(columnIndex)\r
- }\r
- }\r
- }\r
- },\r
-\r
-// On Node enter, see if it is valid for us to drop the field on that type of column.\r
- onNodeEnter: function(target, dd, e, dragData) {\r
- delete this.dropOK;\r
- if (!target) {\r
- return;\r
- }\r
-\r
-// Check that a field is being dragged.\r
- var f = dragData.field;\r
- if (!f) {\r
- return;\r
- }\r
-\r
-// Check whether the data type of the column being dropped on accepts the\r
-// dragged field type. If so, set dropOK flag, and highlight the target node.\r
- var type = target.record.fields.get(target.fieldName).type;\r
- switch (type) {\r
- case 'float':\r
- case 'int':\r
- if (!f.isXType('numberfield')) {\r
- return;\r
- }\r
- break;\r
- case 'date':\r
- if (!f.isXType('datefield')) {\r
- return;\r
- }\r
- break;\r
- case 'boolean':\r
- if (!f.isXType('checkbox')) {\r
- return;\r
- }\r
- }\r
- this.dropOK = true;\r
- Ext.fly(target.node).addClass('x-drop-target-active');\r
- },\r
-\r
-// Return the class name to add to the drag proxy. This provides a visual indication\r
-// of drop allowed or not allowed.\r
- onNodeOver: function(target, dd, e, dragData) {\r
- return this.dropOK ? this.dropAllowed : this.dropNotAllowed;\r
- },\r
-\r
-// nhighlight the target node.\r
- onNodeOut: function(target, dd, e, dragData) {\r
- Ext.fly(target.node).removeClass('x-drop-target-active');\r
- },\r
-\r
-// Process the drop event if we have previously ascertained that a drop is OK.\r
- onNodeDrop: function(target, dd, e, dragData) {\r
- if (this.dropOK) {\r
- target.record.set(target.fieldName, dragData.field.getValue());\r
- return true;\r
- }\r
- }\r
-});\r
-\r
-// A class which makes Fields within a Panel draggable.\r
-// the dragData delivered to a coooperating DropZone's methods contains\r
-// the dragged Field in the property "field".\r
-Ext.ux.PanelFieldDragZone = Ext.extend(Ext.dd.DragZone, {\r
- constructor: function(){},\r
-\r
-// Call the DRagZone's constructor. The Panel must have been rendered.\r
- init: function(panel) {\r
- if (panel.nodeType) {\r
- Ext.ux.PanelFieldDragZone.superclass.init.apply(this, arguments);\r
- } else {\r
- if (panel.rendered) {\r
- Ext.ux.PanelFieldDragZone.superclass.constructor.call(this, panel.getEl());\r
- var i = Ext.fly(panel.getEl()).select('input');\r
- i.unselectable();\r
- } else {\r
- panel.on('afterlayout', this.init, this, {single: true});\r
- }\r
- }\r
- },\r
-\r
- scroll: false,\r
-\r
-// On mousedown, we ascertain whether it is on one of our draggable Fields.\r
-// If so, we collect data about the draggable object, and return a drag data\r
-// object which contains our own data, plus a "ddel" property which is a DOM\r
-// node which provides a "view" of the dragged data.\r
- getDragData: function(e) {\r
- var t = e.getTarget('input');\r
- if (t) {\r
- e.stopEvent();\r
-\r
-// Ugly code to "detach" the drag gesture from the input field.\r
-// Without this, Opera never changes the mouseover target from the input field\r
-// even when dragging outside of the field - it just keeps selecting.\r
- if (Ext.isOpera) {\r
- Ext.fly(t).on('mousemove', function(e1){\r
- t.style.visibility = 'hidden';\r
- (function(){\r
- t.style.visibility = '';\r
- }).defer(1);\r
- }, null, {single:true});\r
- }\r
-\r
-// Get the data we are dragging: the Field\r
-// create a ddel for the drag proxy to display\r
- var f = Ext.getCmp(t.id);\r
- var d = document.createElement('div');\r
- d.className = 'x-form-text';\r
- d.appendChild(document.createTextNode(t.value));\r
- Ext.fly(d).setWidth(f.getEl().getWidth());\r
- return {\r
- field: f,\r
- ddel: d\r
- };\r
- }\r
- },\r
-\r
-// The coordinates to slide the drag proxy back to on failed drop.\r
- getRepairXY: function() {\r
- return this.dragData.field.getEl().getXY();\r
- }\r
-});\r
-\r
-Ext.onReady(function(){\r
-\r
- var myData = [\r
- ['3m Co',71.72,0.02,0.03,'9/1 12:00am'],\r
- ['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],\r
- ['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],\r
- ['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],\r
- ['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],\r
- ['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],\r
- ['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],\r
- ['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],\r
- ['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],\r
- ['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am'],\r
- ['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am'],\r
- ['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am'],\r
- ['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am'],\r
- ['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am'],\r
- ['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am'],\r
- ['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am'],\r
- ['International Business Machines',81.41,0.44,0.54,'9/1 12:00am'],\r
- ['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am'],\r
- ['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am'],\r
- ['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am'],\r
- ['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am'],\r
- ['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am'],\r
- ['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am'],\r
- ['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am'],\r
- ['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am'],\r
- ['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am'],\r
- ['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am'],\r
- ['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am'],\r
- ['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am']\r
- ];\r
-\r
- // example of custom renderer function\r
- function change(val){\r
- if(val > 0){\r
- return '<span style="color:green;">' + val + '</span>';\r
- }else if(val < 0){\r
- return '<span style="color:red;">' + val + '</span>';\r
- }\r
- return val;\r
- }\r
-\r
- // example of custom renderer function\r
- function pctChange(val){\r
- if(val > 0){\r
- return '<span style="color:green;">' + val + '%</span>';\r
- }else if(val < 0){\r
- return '<span style="color:red;">' + val + '%</span>';\r
- }\r
- return val;\r
- }\r
-\r
- // create the data store\r
- var store = new Ext.data.ArrayStore({\r
- fields: [\r
- {name: 'company'},\r
- {name: 'price', type: 'float'},\r
- {name: 'change', type: 'float'},\r
- {name: 'pctChange', type: 'float'},\r
- {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}\r
- ]\r
- });\r
- store.loadData(myData);\r
- \r
- var helpWindow = new Ext.Window({\r
- title: 'Source code',\r
- width: 920,\r
- height: 500,\r
- closeAction: 'hide',\r
- bodyCfg: {tag: 'textarea', readonly: true},\r
- bodyStyle: {\r
- backgroundColor: 'white',\r
- margin: '0px',\r
- border: '0px none'\r
- },\r
- listeners: {\r
- render: function(w) {\r
- Ext.Ajax.request({\r
- url: 'field-to-grid-dd.js',\r
- success: function(r) {\r
- w.body.dom.value = r.responseText;\r
- }\r
- });\r
- }\r
- }\r
- });\r
-\r
- // create the Grid\r
- var grid = new Ext.grid.GridPanel({\r
- store: store,\r
- columns: [\r
- {id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},\r
- {header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},\r
- {header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},\r
- {header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},\r
- {header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}\r
- ],\r
- plugins: new Ext.ux.CellFieldDropZone(),\r
- stripeRows: true,\r
- autoExpandColumn: 'company',\r
- height:350,\r
- width:600,\r
- title:'Array Grid',\r
- bbar: new Ext.PagingToolbar({\r
- buttons: [{\r
- text: 'View Source',\r
- handler: function() {\r
- helpWindow.show();\r
- }\r
- }],\r
- store: store,\r
- pageSize: 25\r
- })\r
- });\r
-\r
- grid.render('grid-example');\r
- grid.getSelectionModel().selectFirstRow();\r
-\r
- var f = new Ext.Panel({\r
- frame: true,\r
- layout: 'form',\r
- width: 600,\r
- plugins: new Ext.ux.PanelFieldDragZone(),\r
- style: {\r
- 'margin-top': '10px'\r
- },\r
- labelWidth: 150,\r
- items: [{\r
- xtype: 'textfield',\r
- fieldLabel: 'Drag this text',\r
- value: 'test'\r
- },{\r
- xtype: 'numberfield',\r
- fieldLabel: 'Drag this number',\r
- value: '1.2'\r
- },{\r
- xtype: 'datefield',\r
- fieldLabel: 'Drag this date',\r
- value: new Date()\r
- }],\r
- renderTo: Ext.getBody()\r
- });\r
-});</pre> \r
-</body>\r
-</html>
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