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