X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..6b044c28b5f26fb99c86c237ffad19741c0f7f3d:/src/widgets/layout/CardLayout.js?ds=sidebyside diff --git a/src/widgets/layout/CardLayout.js b/src/widgets/layout/CardLayout.js index 6c3c9024..e32006bc 100644 --- a/src/widgets/layout/CardLayout.js +++ b/src/widgets/layout/CardLayout.js @@ -1,127 +1,147 @@ /*! - * Ext JS Library 3.0.0 - * Copyright(c) 2006-2009 Ext JS, LLC - * licensing@extjs.com - * http://www.extjs.com/license + * Ext JS Library 3.3.1 + * Copyright(c) 2006-2010 Sencha Inc. + * licensing@sencha.com + * http://www.sencha.com/license */ -/** - * @class Ext.layout.CardLayout - * @extends Ext.layout.FitLayout - *
This layout manages multiple child Components, each fitted to the Container, where only a single child Component can be - * visible at any given time. This layout style is most commonly used for wizards, tab implementations, etc. - * This class is intended to be extended or created via the layout:'card' {@link Ext.Container#layout} config, - * and should generally not need to be created directly via the new keyword.
- *The CardLayout's focal method is {@link #setActiveItem}. Since only one panel is displayed at a time, - * the only way to move from one Component to the next is by calling setActiveItem, passing the id or index of - * the next panel to display. The layout itself does not provide a user interface for handling this navigation, - * so that functionality must be provided by the developer.
- *In the following example, a simplistic wizard setup is demonstrated. A button bar is added - * to the footer of the containing panel to provide navigation buttons. The buttons will be handled by a - * common navigation routine -- for this example, the implementation of that routine has been ommitted since - * it can be any type of custom logic. Note that other uses of a CardLayout (like a tab control) would require a - * completely different implementation. For serious implementations, a better approach would be to extend - * CardLayout to provide the custom functionality needed. Example usage:
- *
-var navHandler = function(direction){
- // This routine could contain business logic required to manage the navigation steps.
- // It would call setActiveItem as needed, manage navigation button state, handle any
- // branching logic that might be required, handle alternate actions like cancellation
- // or finalization, etc. A complete wizard implementation could get pretty
- // sophisticated depending on the complexity required, and should probably be
- // done as a subclass of CardLayout in a real-world implementation.
-};
-
-var card = new Ext.Panel({
- title: 'Example Wizard',
- layout:'card',
- activeItem: 0, // make sure the active item is set on the container config!
- bodyStyle: 'padding:15px',
- defaults: {
- // applied to each contained panel
- border:false
- },
- // just an example of one possible navigation scheme, using buttons
- bbar: [
- {
- id: 'move-prev',
- text: 'Back',
- handler: navHandler.createDelegate(this, [-1]),
- disabled: true
- },
- '->', // greedy spacer so that the buttons are aligned to each side
- {
- id: 'move-next',
- text: 'Next',
- handler: navHandler.createDelegate(this, [1])
- }
- ],
- // the panels (or "cards") within the layout
- items: [{
- id: 'card-0',
- html: '<h1>Welcome to the Wizard!</h1><p>Step 1 of 3</p>'
- },{
- id: 'card-1',
- html: '<p>Step 2 of 3</p>'
- },{
- id: 'card-2',
- html: '<h1>Congratulations!</h1><p>Step 3 of 3 - Complete</p>'
- }]
-});
-
- */
-Ext.layout.CardLayout = Ext.extend(Ext.layout.FitLayout, {
- /**
- * @cfg {Boolean} deferredRender
- * True to render each contained item at the time it becomes active, false to render all contained items
- * as soon as the layout is rendered (defaults to false). If there is a significant amount of content or
- * a lot of heavy controls being rendered into panels that are not displayed by default, setting this to
- * true might improve performance.
- */
- deferredRender : false,
-
- /**
- * @cfg {Boolean} layoutOnCardChange
- * True to force a layout of the active item when the active card is changed. Defaults to false.
- */
- layoutOnCardChange : false,
-
- /**
- * @cfg {Boolean} renderHidden @hide
- */
- // private
- renderHidden : true,
-
- constructor: function(config){
- Ext.layout.CardLayout.superclass.constructor.call(this, config);
- this.forceLayout = (this.deferredRender === false);
- },
-
- /**
- * Sets the active (visible) item in the layout.
- * @param {String/Number} item The string component id or numeric index of the item to activate
- */
- setActiveItem : function(item){
- item = this.container.getComponent(item);
- if(this.activeItem != item){
- if(this.activeItem){
- this.activeItem.hide();
- }
- this.activeItem = item;
- item.show();
- this.container.doLayout();
- if(this.layoutOnCardChange && item.doLayout){
- item.doLayout();
- }
- }
- },
-
- // private
- renderAll : function(ct, target){
- if(this.deferredRender){
- this.renderItem(this.activeItem, undefined, target);
- }else{
- Ext.layout.CardLayout.superclass.renderAll.call(this, ct, target);
- }
- }
-});
-Ext.Container.LAYOUTS['card'] = Ext.layout.CardLayout;
\ No newline at end of file
+/**
+ * @class Ext.layout.CardLayout
+ * @extends Ext.layout.FitLayout
+ * This layout manages multiple child Components, each fitted to the Container, where only a single child Component can be + * visible at any given time. This layout style is most commonly used for wizards, tab implementations, etc. + * This class is intended to be extended or created via the layout:'card' {@link Ext.Container#layout} config, + * and should generally not need to be created directly via the new keyword.
+ *The CardLayout's focal method is {@link #setActiveItem}. Since only one panel is displayed at a time, + * the only way to move from one Component to the next is by calling setActiveItem, passing the id or index of + * the next panel to display. The layout itself does not provide a user interface for handling this navigation, + * so that functionality must be provided by the developer.
+ *In the following example, a simplistic wizard setup is demonstrated. A button bar is added + * to the footer of the containing panel to provide navigation buttons. The buttons will be handled by a + * common navigation routine -- for this example, the implementation of that routine has been ommitted since + * it can be any type of custom logic. Note that other uses of a CardLayout (like a tab control) would require a + * completely different implementation. For serious implementations, a better approach would be to extend + * CardLayout to provide the custom functionality needed. Example usage:
+ *
+var navHandler = function(direction){
+ // This routine could contain business logic required to manage the navigation steps.
+ // It would call setActiveItem as needed, manage navigation button state, handle any
+ // branching logic that might be required, handle alternate actions like cancellation
+ // or finalization, etc. A complete wizard implementation could get pretty
+ // sophisticated depending on the complexity required, and should probably be
+ // done as a subclass of CardLayout in a real-world implementation.
+};
+
+var card = new Ext.Panel({
+ title: 'Example Wizard',
+ layout:'card',
+ activeItem: 0, // make sure the active item is set on the container config!
+ bodyStyle: 'padding:15px',
+ defaults: {
+ // applied to each contained panel
+ border:false
+ },
+ // just an example of one possible navigation scheme, using buttons
+ bbar: [
+ {
+ id: 'move-prev',
+ text: 'Back',
+ handler: navHandler.createDelegate(this, [-1]),
+ disabled: true
+ },
+ '->', // greedy spacer so that the buttons are aligned to each side
+ {
+ id: 'move-next',
+ text: 'Next',
+ handler: navHandler.createDelegate(this, [1])
+ }
+ ],
+ // the panels (or "cards") within the layout
+ items: [{
+ id: 'card-0',
+ html: '<h1>Welcome to the Wizard!</h1><p>Step 1 of 3</p>'
+ },{
+ id: 'card-1',
+ html: '<p>Step 2 of 3</p>'
+ },{
+ id: 'card-2',
+ html: '<h1>Congratulations!</h1><p>Step 3 of 3 - Complete</p>'
+ }]
+});
+
+ */
+Ext.layout.CardLayout = Ext.extend(Ext.layout.FitLayout, {
+ /**
+ * @cfg {Boolean} deferredRender
+ * True to render each contained item at the time it becomes active, false to render all contained items
+ * as soon as the layout is rendered (defaults to false). If there is a significant amount of content or
+ * a lot of heavy controls being rendered into panels that are not displayed by default, setting this to
+ * true might improve performance.
+ */
+ deferredRender : false,
+
+ /**
+ * @cfg {Boolean} layoutOnCardChange
+ * True to force a layout of the active item when the active card is changed. Defaults to false.
+ */
+ layoutOnCardChange : false,
+
+ /**
+ * @cfg {Boolean} renderHidden @hide
+ */
+ // private
+ renderHidden : true,
+
+ type: 'card',
+
+ /**
+ * Sets the active (visible) item in the layout.
+ * @param {String/Number} item The string component id or numeric index of the item to activate
+ */
+ setActiveItem : function(item){
+ var ai = this.activeItem,
+ ct = this.container;
+ item = ct.getComponent(item);
+
+ // Is this a valid, different card?
+ if(item && ai != item){
+
+ // Changing cards, hide the current one
+ if(ai){
+ ai.hide();
+ if (ai.hidden !== true) {
+ return false;
+ }
+ ai.fireEvent('deactivate', ai);
+ }
+
+ var layout = item.doLayout && (this.layoutOnCardChange || !item.rendered);
+
+ // Change activeItem reference
+ this.activeItem = item;
+
+ // The container is about to get a recursive layout, remove any deferLayout reference
+ // because it will trigger a redundant layout.
+ delete item.deferLayout;
+
+ // Show the new component
+ item.show();
+
+ this.layout();
+
+ if(layout){
+ item.doLayout();
+ }
+ item.fireEvent('activate', item);
+ }
+ },
+
+ // private
+ renderAll : function(ct, target){
+ if(this.deferredRender){
+ this.renderItem(this.activeItem, undefined, target);
+ }else{
+ Ext.layout.CardLayout.superclass.renderAll.call(this, ct, target);
+ }
+ }
+});
+Ext.Container.LAYOUTS['card'] = Ext.layout.CardLayout;