X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..05ce1c11e98b33f14ddee184493bd5a60dc947e2:/docs/source/PagingToolbar.html diff --git a/docs/source/PagingToolbar.html b/docs/source/PagingToolbar.html index 911ea16c..8341edb4 100644 --- a/docs/source/PagingToolbar.html +++ b/docs/source/PagingToolbar.html @@ -1,11 +1,17 @@ - - - The source code - - - - -
/** + + + The source code + + + + +
/*!
+ * Ext JS Library 3.0.3
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+
/** * @class Ext.PagingToolbar * @extends Ext.Toolbar *

As the amount of records increases, the time required for the browser to render @@ -24,10 +30,14 @@ Ext.QuickTips.init(); // to display button quicktips var myStore = new Ext.data.Store({ + reader: new Ext.data.JsonReader({ + {@link Ext.data.JsonReader#totalProperty totalProperty}: 'results', + ... + }), ... }); -var myPageSize = 25; // server script should only send back 25 items +var myPageSize = 25; // server script should only send back 25 items at a time var grid = new Ext.grid.GridPanel({ ... @@ -48,16 +58,40 @@ var grid = new Ext.grid.GridPanel({ *


 store.load({
     params: {
-        start: 0,          // specify params for the first page load if using paging
+        // specify params for the first page load if using paging
+        start: 0,          
         limit: myPageSize,
+        // other params
         foo:   'bar'
     }
 });
+ * 
+ * + *

If using {@link Ext.data.Store#autoLoad store's autoLoad} configuration:

+ *

+var myStore = new Ext.data.Store({
+    {@link Ext.data.Store#autoLoad autoLoad}: {params:{start: 0, limit: 25}},
+    ...
+});
+ * 
+ * + *

The packet sent back from the server would have this form:

+ *

+{
+    "success": true,
+    "results": 2000, 
+    "rows": [ // *Note: this must be an Array 
+        { "id":  1, "name": "Bill", "occupation": "Gardener" },
+        { "id":  2, "name":  "Ben", "occupation": "Horticulturalist" },
+        ...
+        { "id": 25, "name":  "Sue", "occupation": "Botanist" }
+    ]
+}
  * 
*

Paging with Local Data

*

Paging can also be accomplished with local data using extensions:

*
* @constructor Create a new PagingToolbar @@ -217,7 +251,7 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { tooltip: this.refreshText, overflowText: this.refreshText, iconCls: 'x-tbar-loading', - handler: this.refresh, + handler: this.doRefresh, scope: this })]; @@ -267,7 +301,7 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { ); this.on('afterlayout', this.onFirstLayout, this, {single: true}); this.cursor = 0; - this.bindStore(this.store); + this.bindStore(this.store, true); }, // private @@ -392,6 +426,12 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { return this.paramNames || this.store.paramNames; }, + // private + getParams : function(){ + //retain backwards compat, allow params on the toolbar itself, if they exist. + return this.paramNames || this.store.paramNames; + }, + // private beforeLoad : function(){ if(this.rendered && this.refresh){ @@ -440,10 +480,10 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { this.doLoad(extra ? (total - extra) : total - this.pageSize); }, -
/** +
/** * Refresh the current page, has the same effect as clicking the 'refresh' button. */ - refresh : function(){ + doRefresh : function(){ this.doLoad(this.cursor); }, @@ -455,11 +495,15 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { bindStore : function(store, initial){ var doLoad; if(!initial && this.store){ - this.store.un('beforeload', this.beforeLoad, this); - this.store.un('load', this.onLoad, this); - this.store.un('exception', this.onLoadError, this); if(store !== this.store && this.store.autoDestroy){ this.store.destroy(); + }else{ + this.store.un('beforeload', this.beforeLoad, this); + this.store.un('load', this.onLoad, this); + this.store.un('exception', this.onLoadError, this); + } + if(!store){ + this.store = null; } } if(store){ @@ -470,7 +514,7 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { load: this.onLoad, exception: this.onLoadError }); - doLoad = store.getCount() > 0; + doLoad = true; } this.store = store; if(doLoad){ @@ -502,6 +546,6 @@ Ext.PagingToolbar = Ext.extend(Ext.Toolbar, { }); })(); -Ext.reg('paging', Ext.PagingToolbar);
- +Ext.reg('paging', Ext.PagingToolbar);
+ \ No newline at end of file