--- /dev/null
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+ <pre class="prettyprint lang-js"><span id='Ext-selection-DataViewModel'>/**
+</span> * @class Ext.selection.DataViewModel
+ * @ignore
+ */
+Ext.define('Ext.selection.DataViewModel', {
+ extend: 'Ext.selection.Model',
+
+ requires: ['Ext.util.KeyNav'],
+
+ deselectOnContainerClick: true,
+
+<span id='Ext-selection-DataViewModel-cfg-enableKeyNav'> /**
+</span> * @cfg {Boolean} enableKeyNav
+ *
+ * Turns on/off keyboard navigation within the DataView. Defaults to true.
+ */
+ enableKeyNav: true,
+
+ constructor: function(cfg){
+ this.addEvents(
+<span id='Ext-selection-DataViewModel-event-deselect'> /**
+</span> * @event deselect
+ * Fired after a record is deselected
+ * @param {Ext.selection.DataViewModel} this
+ * @param {Ext.data.Model} record The deselected record
+ */
+ 'deselect',
+
+<span id='Ext-selection-DataViewModel-event-select'> /**
+</span> * @event select
+ * Fired after a record is selected
+ * @param {Ext.selection.DataViewModel} this
+ * @param {Ext.data.Model} record The selected record
+ */
+ 'select'
+ );
+ this.callParent(arguments);
+ },
+
+ bindComponent: function(view) {
+ var me = this,
+ eventListeners = {
+ refresh: me.refresh,
+ scope: me
+ };
+
+ me.view = view;
+ me.bind(view.getStore());
+
+ view.on(view.triggerEvent, me.onItemClick, me);
+ view.on(view.triggerCtEvent, me.onContainerClick, me);
+
+ view.on(eventListeners);
+
+ if (me.enableKeyNav) {
+ me.initKeyNav(view);
+ }
+ },
+
+ onItemClick: function(view, record, item, index, e) {
+ this.selectWithEvent(record, e);
+ },
+
+ onContainerClick: function() {
+ if (this.deselectOnContainerClick) {
+ this.deselectAll();
+ }
+ },
+
+ initKeyNav: function(view) {
+ var me = this;
+
+ if (!view.rendered) {
+ view.on('render', Ext.Function.bind(me.initKeyNav, me, [view], 0), me, {single: true});
+ return;
+ }
+
+ view.el.set({
+ tabIndex: -1
+ });
+ me.keyNav = Ext.create('Ext.util.KeyNav', view.el, {
+ down: Ext.pass(me.onNavKey, [1], me),
+ right: Ext.pass(me.onNavKey, [1], me),
+ left: Ext.pass(me.onNavKey, [-1], me),
+ up: Ext.pass(me.onNavKey, [-1], me),
+ scope: me
+ });
+ },
+
+ onNavKey: function(step) {
+ step = step || 1;
+ var me = this,
+ view = me.view,
+ selected = me.getSelection()[0],
+ numRecords = me.view.store.getCount(),
+ idx;
+
+ if (selected) {
+ idx = view.indexOf(view.getNode(selected)) + step;
+ } else {
+ idx = 0;
+ }
+
+ if (idx < 0) {
+ idx = numRecords - 1;
+ } else if (idx >= numRecords) {
+ idx = 0;
+ }
+
+ me.select(idx);
+ },
+
+ // Allow the DataView to update the ui
+ onSelectChange: function(record, isSelected, suppressEvent) {
+ var me = this,
+ view = me.view,
+ allowSelect = true;
+
+ if (isSelected) {
+ if (!suppressEvent) {
+ allowSelect = me.fireEvent('beforeselect', me, record) !== false;
+ }
+ if (allowSelect) {
+ view.onItemSelect(record);
+ if (!suppressEvent) {
+ me.fireEvent('select', me, record);
+ }
+ }
+ } else {
+ view.onItemDeselect(record);
+ if (!suppressEvent) {
+ me.fireEvent('deselect', me, record);
+ }
+ }
+ }
+});
+</pre>
+</body>
+</html>
git.ithinksw.org / extjs.git / blobdiff