/**
+ * @class Ext.panel.Table
+ * @extends Ext.panel.Panel
+ * @xtype tablepanel
+ * @private
+ * @author Nicolas Ferrero
+ * TablePanel is a private class and the basis of both TreePanel and GridPanel.
+ *
+ * TablePanel aggregates:
+ *
+ * - a Selection Model
+ * - a View
+ * - a Store
+ * - Scrollers
+ * - Ext.grid.header.Container
+ *
+ */
+Ext.define('Ext.panel.Table', {
+ extend: 'Ext.panel.Panel',
+
+ alias: 'widget.tablepanel',
+
+ uses: [
+ 'Ext.selection.RowModel',
+ 'Ext.grid.Scroller',
+ 'Ext.grid.header.Container',
+ 'Ext.grid.Lockable'
+ ],
+
+ cls: Ext.baseCSSPrefix + 'grid',
+ extraBodyCls: Ext.baseCSSPrefix + 'grid-body',
+
+ layout: 'fit',
+ /**
+ * Boolean to indicate that a view has been injected into the panel.
+ * @property hasView
+ */
+ hasView: false,
+
+ // each panel should dictate what viewType and selType to use
+ viewType: null,
+ selType: 'rowmodel',
+
+ /**
+ * @cfg {Number} scrollDelta
+ * Number of pixels to scroll when scrolling with mousewheel.
+ * Defaults to 40.
+ */
+ scrollDelta: 40,
+
+ /**
+ * @cfg {String/Boolean} scroll
+ * Valid values are 'both', 'horizontal' or 'vertical'. true implies 'both'. false implies 'none'.
+ * Defaults to true.
+ */
+ scroll: true,
+
+ /**
+ * @cfg {Array} columns
+ * An array of {@link Ext.grid.column.Column column} definition objects which define all columns that appear in this grid. Each
+ * column definition provides the header text for the column, and a definition of where the data for that column comes from.
+ */
+
+ /**
+ * @cfg {Boolean} forceFit
+ * Specify as <code>true</code> to force the columns to fit into the available width. Headers are first sized according to configuration, whether that be
+ * a specific width, or flex. Then they are all proportionally changed in width so that the entire content width is used..
+ */
+
+ /**
+ * @cfg {Boolean} hideHeaders
+ * Specify as <code>true</code> to hide the headers.
+ */
+
+ /**
+ * @cfg {Boolean} sortableColumns
+ * Defaults to true. Set to false to disable column sorting via clicking the
+ * header and via the Sorting menu items.
+ */
+ sortableColumns: true,
+
+ verticalScrollDock: 'right',
+ verticalScrollerType: 'gridscroller',
+
+ horizontalScrollerPresentCls: Ext.baseCSSPrefix + 'horizontal-scroller-present',
+ verticalScrollerPresentCls: Ext.baseCSSPrefix + 'vertical-scroller-present',
+
+ // private property used to determine where to go down to find views
+ // this is here to support locking.
+ scrollerOwner: true,
+
+ invalidateScrollerOnRefresh: true,
+
+ enableColumnMove: true,
+ enableColumnResize: true,
+
+
+ initComponent: function() {
+ //<debug>
+ if (!this.viewType) {
+ Ext.Error.raise("You must specify a viewType config.");
+ }
+ if (!this.store) {
+ Ext.Error.raise("You must specify a store config");
+ }
+ if (this.headers) {
+ Ext.Error.raise("The headers config is not supported. Please specify columns instead.");
+ }
+ //</debug>
+
+ var me = this,
+ scroll = me.scroll,
+ vertical = false,
+ horizontal = false,
+ headerCtCfg = me.columns || me.colModel,
+ i = 0,
+ view,
+ border = me.border;
+
+ // Set our determinScrollbars method to reference a buffered call to determinScrollbars which fires on a 30ms buffer.
+ me.determineScrollbars = Ext.Function.createBuffered(me.determineScrollbars, 30);
+ me.injectView = Ext.Function.createBuffered(me.injectView, 30);
+
+ if (me.hideHeaders) {
+ border = false;
+ }
+
+ // The columns/colModel config may be either a fully instantiated HeaderContainer, or an array of Column definitions, or a config object of a HeaderContainer
+ // Either way, we extract a columns property referencing an array of Column definitions.
+ if (headerCtCfg instanceof Ext.grid.header.Container) {
+ me.headerCt = headerCtCfg;
+ me.headerCt.border = border;
+ me.columns = me.headerCt.items.items;
+ } else {
+ if (Ext.isArray(headerCtCfg)) {
+ headerCtCfg = {
+ items: headerCtCfg,
+ border: border
+ };
+ }
+ Ext.apply(headerCtCfg, {
+ forceFit: me.forceFit,
+ sortable: me.sortableColumns,
+ enableColumnMove: me.enableColumnMove,
+ enableColumnResize: me.enableColumnResize,
+ border: border
+ });
+ me.columns = headerCtCfg.items;
+
+ // If any of the Column objects contain a locked property, and are not processed, this is a lockable TablePanel, a
+ // special view will be injected by the Ext.grid.Lockable mixin, so no processing of .
+ if (Ext.ComponentQuery.query('{locked !== undefined}{processed != true}', me.columns).length) {
+ me.self.mixin('lockable', Ext.grid.Lockable);
+ me.injectLockable();
+ }
+ }
+
+ me.store = Ext.data.StoreManager.lookup(me.store);
+ me.addEvents(
+ /**
+ * @event scrollerhide
+ * Fires when a scroller is hidden
+ * @param {Ext.grid.Scroller} scroller
+ * @param {String} orientation Orientation, can be 'vertical' or 'horizontal'
+ */
+ 'scrollerhide',
+ /**
+ * @event scrollershow
+ * Fires when a scroller is shown
+ * @param {Ext.grid.Scroller} scroller
+ * @param {String} orientation Orientation, can be 'vertical' or 'horizontal'
+ */
+ 'scrollershow'
+ );
+
+ me.bodyCls = me.bodyCls || '';
+ me.bodyCls += (' ' + me.extraBodyCls);
+
+ // autoScroll is not a valid configuration
+ delete me.autoScroll;
+
+ // If this TablePanel is lockable (Either configured lockable, or any of the defined columns has a 'locked' property)
+ // than a special lockable view containing 2 side-by-side grids will have been injected so we do not need to set up any UI.
+ if (!me.hasView) {
+
+ // If we were not configured with a ready-made headerCt (either by direct config with a headerCt property, or by passing
+ // a HeaderContainer instance as the 'columns' property, then go ahead and create one from the config object created above.
+ if (!me.headerCt) {
+ me.headerCt = Ext.create('Ext.grid.header.Container', headerCtCfg);
+ }
+
+ // Extract the array of Column objects
+ me.columns = me.headerCt.items.items;
+
+ if (me.hideHeaders) {
+ me.headerCt.height = 0;
+ me.headerCt.border = false;
+ me.headerCt.addCls(Ext.baseCSSPrefix + 'grid-header-ct-hidden');
+ me.addCls(Ext.baseCSSPrefix + 'grid-header-hidden');
+ // IE Quirks Mode fix
+ // If hidden configuration option was used, several layout calculations will be bypassed.
+ if (Ext.isIEQuirks) {
+ me.headerCt.style = {
+ display: 'none'
+ };
+ }
+ }
+
+ // turn both on.
+ if (scroll === true || scroll === 'both') {
+ vertical = horizontal = true;
+ } else if (scroll === 'horizontal') {
+ horizontal = true;
+ } else if (scroll === 'vertical') {
+ vertical = true;
+ // All other values become 'none' or false.
+ } else {
+ me.headerCt.availableSpaceOffset = 0;
+ }
+
+ if (vertical) {
+ me.verticalScroller = me.verticalScroller || {};
+ Ext.applyIf(me.verticalScroller, {
+ dock: me.verticalScrollDock,
+ xtype: me.verticalScrollerType,
+ store: me.store
+ });
+ me.verticalScroller = Ext.ComponentManager.create(me.verticalScroller);
+ me.mon(me.verticalScroller, {
+ bodyscroll: me.onVerticalScroll,
+ scope: me
+ });
+ }
+
+ if (horizontal) {
+ me.horizontalScroller = Ext.ComponentManager.create({
+ xtype: 'gridscroller',
+ section: me,
+ dock: 'bottom',
+ store: me.store
+ });
+ me.mon(me.horizontalScroller, {
+ bodyscroll: me.onHorizontalScroll,
+ scope: me
+ });
+ }
+
+ me.headerCt.on('columnresize', me.onHeaderResize, me);
+ me.relayEvents(me.headerCt, ['columnresize', 'columnmove', 'columnhide', 'columnshow', 'sortchange']);
+ me.features = me.features || [];
+ me.dockedItems = me.dockedItems || [];
+ me.dockedItems.unshift(me.headerCt);
+ me.viewConfig = me.viewConfig || {};
+ me.viewConfig.invalidateScrollerOnRefresh = me.invalidateScrollerOnRefresh;
+
+ // AbstractDataView will look up a Store configured as an object
+ // getView converts viewConfig into a View instance
+ view = me.getView();
+
+ if (view) {
+ me.mon(view.store, {
+ load: me.onStoreLoad,
+ scope: me
+ });
+ me.mon(view, {
+ refresh: {
+ fn: this.onViewRefresh,
+ scope: me,
+ buffer: 50
+ },
+ itemupdate: me.onViewItemUpdate,
+ scope: me
+ });
+ this.relayEvents(view, [
+ /**
+ * @event beforeitemmousedown
+ * Fires before the mousedown event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemmousedown',
+ /**
+ * @event beforeitemmouseup
+ * Fires before the mouseup event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemmouseup',
+ /**
+ * @event beforeitemmouseenter
+ * Fires before the mouseenter event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemmouseenter',
+ /**
+ * @event beforeitemmouseleave
+ * Fires before the mouseleave event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemmouseleave',
+ /**
+ * @event beforeitemclick
+ * Fires before the click event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemclick',
+ /**
+ * @event beforeitemdblclick
+ * Fires before the dblclick event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemdblclick',
+ /**
+ * @event beforeitemcontextmenu
+ * Fires before the contextmenu event on an item is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforeitemcontextmenu',
+ /**
+ * @event itemmousedown
+ * Fires when there is a mouse down on an item
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemmousedown',
+ /**
+ * @event itemmouseup
+ * Fires when there is a mouse up on an item
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemmouseup',
+ /**
+ * @event itemmouseenter
+ * Fires when the mouse enters an item.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemmouseenter',
+ /**
+ * @event itemmouseleave
+ * Fires when the mouse leaves an item.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemmouseleave',
+ /**
+ * @event itemclick
+ * Fires when an item is clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemclick',
+ /**
+ * @event itemdblclick
+ * Fires when an item is double clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemdblclick',
+ /**
+ * @event itemcontextmenu
+ * Fires when an item is right clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.data.Model} record The record that belongs to the item
+ * @param {HTMLElement} item The item's element
+ * @param {Number} index The item's index
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'itemcontextmenu',
+ /**
+ * @event beforecontainermousedown
+ * Fires before the mousedown event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainermousedown',
+ /**
+ * @event beforecontainermouseup
+ * Fires before the mouseup event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainermouseup',
+ /**
+ * @event beforecontainermouseover
+ * Fires before the mouseover event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainermouseover',
+ /**
+ * @event beforecontainermouseout
+ * Fires before the mouseout event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainermouseout',
+ /**
+ * @event beforecontainerclick
+ * Fires before the click event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainerclick',
+ /**
+ * @event beforecontainerdblclick
+ * Fires before the dblclick event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainerdblclick',
+ /**
+ * @event beforecontainercontextmenu
+ * Fires before the contextmenu event on the container is processed. Returns false to cancel the default action.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'beforecontainercontextmenu',
+ /**
+ * @event containermouseup
+ * Fires when there is a mouse up on the container
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containermouseup',
+ /**
+ * @event containermouseover
+ * Fires when you move the mouse over the container.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containermouseover',
+ /**
+ * @event containermouseout
+ * Fires when you move the mouse out of the container.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containermouseout',
+ /**
+ * @event containerclick
+ * Fires when the container is clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containerclick',
+ /**
+ * @event containerdblclick
+ * Fires when the container is double clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containerdblclick',
+ /**
+ * @event containercontextmenu
+ * Fires when the container is right clicked.
+ * @param {Ext.view.View} this
+ * @param {Ext.EventObject} e The raw event object
+ */
+ 'containercontextmenu',
+
+ /**
+ * @event selectionchange
+ * Fires when the selected nodes change. Relayed event from the underlying selection model.
+ * @param {Ext.view.View} this
+ * @param {Array} selections Array of the selected nodes
+ */
+ 'selectionchange',
+ /**
+ * @event beforeselect
+ * Fires before a selection is made. If any handlers return false, the selection is cancelled.
+ * @param {Ext.view.View} this
+ * @param {HTMLElement} node The node to be selected
+ * @param {Array} selections Array of currently selected nodes
+ */
+ 'beforeselect'
+ ]);
+ }
+ }
+ me.callParent(arguments);
+ },
+
+ // state management
+ initStateEvents: function(){
+ var events = this.stateEvents;
+ // push on stateEvents if they don't exist
+ Ext.each(['columnresize', 'columnmove', 'columnhide', 'columnshow', 'sortchange'], function(event){
+ if (Ext.Array.indexOf(events, event)) {
+ events.push(event);
+ }
+ });
+ this.callParent();
+ },
+
+ getState: function(){
+ var state = {
+ columns: []
+ },
+ sorter = this.store.sorters.first();
+
+ this.headerCt.items.each(function(header){
+ state.columns.push({
+ id: header.headerId,
+ width: header.flex ? undefined : header.width,
+ hidden: header.hidden,
+ sortable: header.sortable
+ });
+ });
+
+ if (sorter) {
+ state.sort = {
+ property: sorter.property,
+ direction: sorter.direction
+ };
+ }
+ return state;
+ },
+
+ applyState: function(state) {
+ var headers = state.columns,
+ length = headers ? headers.length : 0,
+ headerCt = this.headerCt,
+ items = headerCt.items,
+ sorter = state.sort,
+ store = this.store,
+ i = 0,
+ index,
+ headerState,
+ header;
+
+ for (; i < length; ++i) {
+ headerState = headers[i];
+ header = headerCt.down('gridcolumn[headerId=' + headerState.id + ']');
+ index = items.indexOf(header);
+ if (i !== index) {
+ headerCt.moveHeader(index, i);
+ }
+ header.sortable = headerState.sortable;
+ if (Ext.isDefined(headerState.width)) {
+ delete header.flex;
+ if (header.rendered) {
+ header.setWidth(headerState.width);
+ } else {
+ header.minWidth = header.width = headerState.width;
+ }
+ }
+ header.hidden = headerState.hidden;
+ }
+
+ if (sorter) {
+ if (store.remoteSort) {
+ store.sorters.add(Ext.create('Ext.util.Sorter', {
+ property: sorter.property,
+ direction: sorter.direction
+ }));
+ }
+ else {
+ store.sort(sorter.property, sorter.direction);
+ }
+ }
+ },
+
+ /**
+ * Returns the store associated with this Panel.
+ * @return {Ext.data.Store} The store
+ */
+ getStore: function(){
+ return this.store;
+ },
+
+ /**
+ * Gets the view for this panel.
+ * @return {Ext.view.Table}
+ */
+ getView: function() {
+ var me = this,
+ sm;
+
+ if (!me.view) {
+ sm = me.getSelectionModel();
+ me.view = me.createComponent(Ext.apply({}, me.viewConfig, {
+ xtype: me.viewType,
+ store: me.store,
+ headerCt: me.headerCt,
+ selModel: sm,
+ features: me.features,
+ panel: me
+ }));
+ me.mon(me.view, {
+ uievent: me.processEvent,
+ scope: me
+ });
+ sm.view = me.view;
+ me.headerCt.view = me.view;
+ me.relayEvents(me.view, ['cellclick', 'celldblclick']);
+ }
+ return me.view;
+ },
+
+ /**
+ * @private
+ * @override
+ * autoScroll is never valid for all classes which extend TablePanel.
+ */
+ setAutoScroll: Ext.emptyFn,
+
+ // This method hijacks Ext.view.Table's el scroll method.
+ // This enables us to keep the virtualized scrollbars in sync
+ // with the view. It currently does NOT support animation.
+ elScroll: function(direction, distance, animate) {
+ var me = this,
+ scroller;
+
+ if (direction === "up" || direction === "left") {
+ distance = -distance;
+ }
+
+ if (direction === "down" || direction === "up") {
+ scroller = me.getVerticalScroller();
+ scroller.scrollByDeltaY(distance);
+ } else {
+ scroller = me.getHorizontalScroller();
+ scroller.scrollByDeltaX(distance);
+ }
+ },
+
+ afterLayout: function() {
+ this.callParent(arguments);
+ this.injectView();
+ },
+
+
+ /**
+ * @private
+ * Called after this Component has achieved its correct initial size, after all layouts have done their thing.
+ * This is so we can add the View only after the initial size is known. This method is buffered 30ms.
+ */
+ injectView: function() {
+ if (!this.hasView && !this.collapsed) {
+ var me = this,
+ view = me.getView();
+
+ me.hasView = true;
+ me.add(view);
+
+ // hijack the view el's scroll method
+ view.el.scroll = Ext.Function.bind(me.elScroll, me);
+ // We use to listen to document.body wheel events, but that's a
+ // little much. We scope just to the view now.
+ me.mon(view.el, {
+ mousewheel: me.onMouseWheel,
+ scope: me
+ });
+ }
+ },
+
+ afterExpand: function() {
+ this.callParent(arguments);
+ if (!this.hasView) {
+ this.injectView();
+ }
+ },
+
+ /**
+ * @private
+ * Process UI events from the view. Propagate them to whatever internal Components need to process them
+ * @param {String} type Event type, eg 'click'
+ * @param {TableView} view TableView Component
+ * @param {HtmlElement} cell Cell HtmlElement the event took place within
+ * @param {Number} recordIndex Index of the associated Store Model (-1 if none)
+ * @param {Number} cellIndex Cell index within the row
+ * @param {EventObject} e Original event
+ */
+ processEvent: function(type, view, cell, recordIndex, cellIndex, e) {
+ var me = this,
+ header;
+
+ if (cellIndex !== -1) {
+ header = me.headerCt.getGridColumns()[cellIndex];
+ return header.processEvent.apply(header, arguments);
+ }
+ },
+
+ /**
+ * Request a recalculation of scrollbars and put them in if they are needed.
+ */
+ determineScrollbars: function() {
+ var me = this,
+ viewElDom,
+ centerScrollWidth,
+ centerClientWidth,
+ scrollHeight,
+ clientHeight;
+
+ if (!me.collapsed && me.view && me.view.el) {
+ viewElDom = me.view.el.dom;
+ //centerScrollWidth = viewElDom.scrollWidth;
+ centerScrollWidth = me.headerCt.getFullWidth();
+ /**
+ * clientWidth often returns 0 in IE resulting in an
+ * infinity result, here we use offsetWidth bc there are
+ * no possible scrollbars and we don't care about margins
+ */
+ centerClientWidth = viewElDom.offsetWidth;
+ if (me.verticalScroller && me.verticalScroller.el) {
+ scrollHeight = me.verticalScroller.getSizeCalculation().height;
+ } else {
+ scrollHeight = viewElDom.scrollHeight;
+ }
+
+ clientHeight = viewElDom.clientHeight;
+
+ if (!me.collapsed && scrollHeight > clientHeight) {
+ me.showVerticalScroller();
+ } else {
+ me.hideVerticalScroller();
+ }
+
+ if (!me.collapsed && centerScrollWidth > (centerClientWidth + Ext.getScrollBarWidth() - 2)) {
+ me.showHorizontalScroller();
+ } else {
+ me.hideHorizontalScroller();
+ }
+ }
+ },
+
+ onHeaderResize: function() {
+ if (this.view && this.view.rendered) {
+ this.determineScrollbars();
+ this.invalidateScroller();
+ }
+ },
+
+ /**
+ * Hide the verticalScroller and remove the horizontalScrollerPresentCls.
+ */
+ hideHorizontalScroller: function() {
+ var me = this;
+
+ if (me.horizontalScroller && me.horizontalScroller.ownerCt === me) {
+ me.verticalScroller.offsets.bottom = 0;
+ me.removeDocked(me.horizontalScroller, false);
+ me.removeCls(me.horizontalScrollerPresentCls);
+ me.fireEvent('scrollerhide', me.horizontalScroller, 'horizontal');
+ }
+
+ },
+
+ /**
+ * Show the horizontalScroller and add the horizontalScrollerPresentCls.
+ */
+ showHorizontalScroller: function() {
+ var me = this;
+
+ if (me.verticalScroller) {
+ me.verticalScroller.offsets.bottom = Ext.getScrollBarWidth() - 2;
+ }
+ if (me.horizontalScroller && me.horizontalScroller.ownerCt !== me) {
+ me.addDocked(me.horizontalScroller);
+ me.addCls(me.horizontalScrollerPresentCls);
+ me.fireEvent('scrollershow', me.horizontalScroller, 'horizontal');
+ }
+ },
+
+ /**
+ * Hide the verticalScroller and remove the verticalScrollerPresentCls.
+ */
+ hideVerticalScroller: function() {
+ var me = this,
+ headerCt = me.headerCt;
+
+ // only trigger a layout when reserveOffset is changing
+ if (headerCt && headerCt.layout.reserveOffset) {
+ headerCt.layout.reserveOffset = false;
+ headerCt.doLayout();
+ }
+ if (me.verticalScroller && me.verticalScroller.ownerCt === me) {
+ me.removeDocked(me.verticalScroller, false);
+ me.removeCls(me.verticalScrollerPresentCls);
+ me.fireEvent('scrollerhide', me.verticalScroller, 'vertical');
+ }
+ },
+
+ /**
+ * Show the verticalScroller and add the verticalScrollerPresentCls.
+ */
+ showVerticalScroller: function() {
+ var me = this,
+ headerCt = me.headerCt;
+
+ // only trigger a layout when reserveOffset is changing
+ if (headerCt && !headerCt.layout.reserveOffset) {
+ headerCt.layout.reserveOffset = true;
+ headerCt.doLayout();
+ }
+ if (me.verticalScroller && me.verticalScroller.ownerCt !== me) {
+ me.addDocked(me.verticalScroller);
+ me.addCls(me.verticalScrollerPresentCls);
+ me.fireEvent('scrollershow', me.verticalScroller, 'vertical');
+ }
+ },
+
+ /**
+ * Invalides scrollers that are present and forces a recalculation.
+ * (Not related to showing/hiding the scrollers)
+ */
+ invalidateScroller: function() {
+ var me = this,
+ vScroll = me.verticalScroller,
+ hScroll = me.horizontalScroller;
+
+ if (vScroll) {
+ vScroll.invalidate();
+ }
+ if (hScroll) {
+ hScroll.invalidate();
+ }
+ },
+
+ // refresh the view when a header moves
+ onHeaderMove: function(headerCt, header, fromIdx, toIdx) {
+ this.view.refresh();
+ },
+
+ // Section onHeaderHide is invoked after view.
+ onHeaderHide: function(headerCt, header) {
+ this.invalidateScroller();
+ },
+
+ onHeaderShow: function(headerCt, header) {
+ this.invalidateScroller();
+ },
+
+ getVerticalScroller: function() {
+ return this.getScrollerOwner().down('gridscroller[dock=' + this.verticalScrollDock + ']');
+ },
+
+ getHorizontalScroller: function() {
+ return this.getScrollerOwner().down('gridscroller[dock=bottom]');
+ },
+
+ onMouseWheel: function(e) {
+ var me = this,
+ browserEvent = e.browserEvent,
+ vertScroller = me.getVerticalScroller(),
+ horizScroller = me.getHorizontalScroller(),
+ scrollDelta = me.scrollDelta,
+ deltaY, deltaX,
+ vertScrollerEl, horizScrollerEl,
+ origScrollLeft, origScrollTop,
+ newScrollLeft, newScrollTop;
+
+ // Track original scroll values, so we can see if we've
+ // reached the end of our scroll height/width.
+ if (horizScroller) {
+ horizScrollerEl = horizScroller.el;
+ if (horizScrollerEl) {
+ origScrollLeft = horizScrollerEl.dom.scrollLeft;
+ }
+ }
+ if (vertScroller) {
+ vertScrollerEl = vertScroller.el;
+ if (vertScrollerEl) {
+ origScrollTop = vertScrollerEl.dom.scrollTop;
+ }
+ }
+
+ // Webkit Horizontal Axis
+ if (browserEvent.wheelDeltaX || browserEvent.wheelDeltaY) {
+ deltaX = -browserEvent.wheelDeltaX / 120 * scrollDelta / 3;
+ deltaY = -browserEvent.wheelDeltaY / 120 * scrollDelta / 3;
+ if (horizScroller) {
+ newScrollLeft = horizScroller.scrollByDeltaX(deltaX);
+ }
+ if (vertScroller) {
+ newScrollTop = vertScroller.scrollByDeltaY(deltaY);
+ }
+ } else {
+ // Gecko Horizontal Axis
+ if (browserEvent.axis && browserEvent.axis === 1) {
+ if (horizScroller) {
+ deltaX = -(scrollDelta * e.getWheelDelta()) / 3;
+ newScrollLeft = horizScroller.scrollByDeltaX(deltaX);
+ }
+ } else {
+ if (vertScroller) {
+
+ deltaY = -(scrollDelta * e.getWheelDelta() / 3);
+ newScrollTop = vertScroller.scrollByDeltaY(deltaY);
+ }
+ }
+ }
+
+ // If after given our delta, the scroller has not progressed, then we're
+ // at the end of our scroll range and shouldn't stop the browser event.
+ if ((deltaX !== 0 && newScrollLeft !== origScrollLeft) ||
+ (deltaY !== 0 && newScrollTop !== origScrollTop)) {
+ e.stopEvent();
+ }
+ },
+
+ /**
+ * @private
+ * Determine and invalidate scrollers on view refresh
+ */
+ onViewRefresh: function() {
+ if (Ext.isIE) {
+ this.syncCellHeight();
+ }
+ this.determineScrollbars();
+ if (this.invalidateScrollerOnRefresh) {
+ this.invalidateScroller();
+ }
+ },
+
+ onViewItemUpdate: function(record, index, tr) {
+ if (Ext.isIE) {
+ this.syncCellHeight([tr]);
+ }
+ },
+
+ // BrowserBug: IE will not stretch the td to fit the height of the entire
+ // tr, so manually sync cellheights on refresh and when an item has been
+ // updated.
+ syncCellHeight: function(trs) {
+ var me = this,
+ i = 0,
+ tds,
+ j, tdsLn,
+ tr, td,
+ trsLn,
+ rowHeights = [],
+ cellHeights,
+ cellClsSelector = ('.' + Ext.baseCSSPrefix + 'grid-cell');
+
+ trs = trs || me.view.getNodes();
+
+ trsLn = trs.length;
+ // Reading loop
+ for (; i < trsLn; i++) {
+ tr = trs[i];
+ tds = Ext.fly(tr).query(cellClsSelector);
+ tdsLn = tds.length;
+ cellHeights = [];
+ for (j = 0; j < tdsLn; j++) {
+ td = tds[j];
+ cellHeights.push(td.clientHeight);
+ }
+ rowHeights.push(Ext.Array.max(cellHeights));
+ }
+
+ // Setting loop
+ for (i = 0; i < trsLn; i++) {
+ tr = trs[i];
+ tdsLn = tr.childNodes.length;
+ for (j = 0; j < tdsLn; j++) {
+ td = Ext.fly(tr.childNodes[j]);
+ if (rowHeights[i]) {
+ if (td.is(cellClsSelector)) {
+ td.setHeight(rowHeights[i]);
+ } else {
+ td.down(cellClsSelector).setHeight(rowHeights[i]);
+ }
+ }
+
+ }
+ }
+ },
+
+ /**
+ * Sets the scrollTop of the TablePanel.
+ * @param {Number} deltaY
+ */
+ setScrollTop: function(top) {
+ var me = this,
+ rootCmp = me.getScrollerOwner(),
+ verticalScroller = me.getVerticalScroller();
+
+ rootCmp.virtualScrollTop = top;
+ if (verticalScroller) {
+ verticalScroller.setScrollTop(top);
+ }
+
+ },
+
+ getScrollerOwner: function() {
+ var rootCmp = this;
+ if (!this.scrollerOwner) {
+ rootCmp = this.up('[scrollerOwner]');
+ }
+ return rootCmp;
+ },
+
+ /**
+ * Scrolls the TablePanel by deltaY
+ * @param {Number} deltaY
+ */
+ scrollByDeltaY: function(deltaY) {
+ var rootCmp = this.getScrollerOwner(),
+ scrollerRight;
+ scrollerRight = rootCmp.down('gridscroller[dock=' + this.verticalScrollDock + ']');
+ if (scrollerRight) {
+ scrollerRight.scrollByDeltaY(deltaY);
+ }
+ },
+
+
+ /**
+ * Scrolls the TablePanel by deltaX
+ * @param {Number} deltaY
+ */
+ scrollByDeltaX: function(deltaX) {
+ this.horizontalScroller.scrollByDeltaX(deltaX);
+ },
+
+ /**
+ * Get left hand side marker for header resizing.
+ * @private
+ */
+ getLhsMarker: function() {
+ var me = this;
+
+ if (!me.lhsMarker) {
+ me.lhsMarker = Ext.core.DomHelper.append(me.el, {
+ cls: Ext.baseCSSPrefix + 'grid-resize-marker'
+ }, true);
+ }
+ return me.lhsMarker;
+ },
+
+ /**
+ * Get right hand side marker for header resizing.
+ * @private
+ */
+ getRhsMarker: function() {
+ var me = this;
+
+ if (!me.rhsMarker) {
+ me.rhsMarker = Ext.core.DomHelper.append(me.el, {
+ cls: Ext.baseCSSPrefix + 'grid-resize-marker'
+ }, true);
+ }
+ return me.rhsMarker;
+ },
+
+ /**
+ * Returns the selection model being used and creates it via the configuration
+ * if it has not been created already.
+ * @return {Ext.selection.Model} selModel
+ */
+ getSelectionModel: function(){
+ if (!this.selModel) {
+ this.selModel = {};
+ }
+
+ var mode = 'SINGLE',
+ type;
+ if (this.simpleSelect) {
+ mode = 'SIMPLE';
+ } else if (this.multiSelect) {
+ mode = 'MULTI';
+ }
+
+ Ext.applyIf(this.selModel, {
+ allowDeselect: this.allowDeselect,
+ mode: mode
+ });
+
+ if (!this.selModel.events) {
+ type = this.selModel.selType || this.selType;
+ this.selModel = Ext.create('selection.' + type, this.selModel);
+ }
+
+ if (!this.selModel.hasRelaySetup) {
+ this.relayEvents(this.selModel, ['selectionchange', 'select', 'deselect']);
+ this.selModel.hasRelaySetup = true;
+ }
+
+ // lock the selection model if user
+ // has disabled selection
+ if (this.disableSelection) {
+ this.selModel.locked = true;
+ }
+ return this.selModel;
+ },
+
+ onVerticalScroll: function(event, target) {
+ var owner = this.getScrollerOwner(),
+ items = owner.query('tableview'),
+ i = 0,
+ len = items.length;
+
+ for (; i < len; i++) {
+ items[i].el.dom.scrollTop = target.scrollTop;
+ }
+ },
+
+ onHorizontalScroll: function(event, target) {
+ var owner = this.getScrollerOwner(),
+ items = owner.query('tableview'),
+ i = 0,
+ len = items.length,
+ center,
+ centerEl,
+ centerScrollWidth,
+ centerClientWidth,
+ width;
+
+ center = items[1] || items[0];
+ centerEl = center.el.dom;
+ centerScrollWidth = centerEl.scrollWidth;
+ centerClientWidth = centerEl.offsetWidth;
+ width = this.horizontalScroller.getWidth();
+
+ centerEl.scrollLeft = target.scrollLeft;
+ this.headerCt.el.dom.scrollLeft = target.scrollLeft;
+ },
+
+ // template method meant to be overriden
+ onStoreLoad: Ext.emptyFn,
+
+ getEditorParent: function() {
+ return this.body;
+ },
+
+ bindStore: function(store) {
+ var me = this;
+ me.store = store;
+ me.getView().bindStore(store);
+ },
+
+ reconfigure: function(store, columns) {
+ var me = this;
+
+ if (me.lockable) {
+ me.reconfigureLockable(store, columns);
+ return;
+ }
+
+ if (columns) {
+ me.headerCt.removeAll();
+ me.headerCt.add(columns);
+ }
+ if (store) {
+ store = Ext.StoreManager.lookup(store);
+ me.bindStore(store);
+ } else {
+ me.getView().refresh();
+ }
+ },
+
+ afterComponentLayout: function() {
+ this.callParent(arguments);
+ this.determineScrollbars();
+ this.invalidateScroller();
+ }
+});