X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/0494b8d9b9bb03ab6c22b34dae81261e3cd7e3e6..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/examples/view/chooser/chooser.js

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+/*
+ * This example features a window with a DataView from which the user can select images to add to a <div> on the page.
+ * To create the example we create simple subclasses of Window, DataView and Panel. When the user selects an image
+ * we just add it to the page using the insertSelectedImage function below.
+ * 
+ * Our subclasses all sit under the Ext.chooser namespace so the first thing we do is tell Ext's class loader that it
+ * can find those classes in this directory (InfoPanel.js, IconBrowser.js and Window.js). Then we just need to require
+ * those files and pass in an onReady callback that will be called as soon as everything is loaded.
+ */
+Ext.Loader.setConfig({enabled: true});
+Ext.Loader.setPath('Ext.chooser', '.');
+Ext.Loader.setPath('Ext.ux', '../../ux');
+
+Ext.require([
+    'Ext.button.Button',
+    'Ext.data.proxy.Ajax',
+    'Ext.chooser.InfoPanel',
+    'Ext.chooser.IconBrowser',
+    'Ext.chooser.Window',
+    'Ext.ux.DataView.Animated',
+    'Ext.toolbar.Spacer'
+]);
+
+Ext.onReady(function() {
+    /*
+     * This button just opens the window. We render it into the 'buttons' div and set its
+     * handler to simply show the window
+     */
+    var insertButton = Ext.create('Ext.button.Button', {
+        text: "Insert Image",
+        renderTo: 'buttons',
+        handler : function() {
+            win.show();
+        }
+    });
+    
+    /*
+     * Here is where we create the window from which the user can select images to insert into the 'images' div.
+     * This window is a simple subclass of Ext.window.Window, and you can see its source code in Window.js.
+     * All we do here is attach a listener for when the 'selected' event is fired - when this happens it means
+     * the user has double clicked an image in the window so we call our insertSelectedImage function to add it
+     * to the DOM (see below).
+     */
+    var win = Ext.create('Ext.chooser.Window', {
+        id: 'img-chooser-dlg',
+        animateTarget: insertButton.getEl(),
+        listeners: {
+            selected: insertSelectedImage
+        }
+    });
+    
+    /*
+     * This function is called whenever the user double-clicks an image inside the window. It creates
+     * a new <img> tag inside the 'images' div and immediately hides it. We then call the show() function
+     * with a duration of 500ms to fade the image in. At the end we call .frame() to give a visual cue
+     * to the user that the image has been inserted
+     */
+    function insertSelectedImage(image) {
+        //create the new image tag
+        var image = Ext.fly('images').createChild({
+            tag: 'img',
+            src: 'icons/' + image.get('thumb')
+        });
+        
+        //hide it straight away then fade it in over 500ms, finally use the frame animation to give emphasis
+        image.hide().show({duration: 500}).frame();
+        
+        //this will make the window animate back to the newly inserted image element
+        win.animateTarget = image;
+    }
+});
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