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GXT and ExtJs Example using JsInterop and Jsni rendering a Toolbar
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import com.google.gwt.core.client.EntryPoint; | |
import com.google.gwt.core.client.JavaScriptObject; | |
import com.google.gwt.core.client.Scheduler; | |
import com.google.gwt.core.client.Scheduler.RepeatingCommand; | |
import com.google.gwt.user.client.ui.IsWidget; | |
import com.google.gwt.user.client.ui.RootPanel; | |
import com.google.gwt.user.client.ui.Widget; | |
import com.sencha.gwt.jsinterop.examples.processor.Example; | |
import com.sencha.gxt.core.client.dom.XElement; | |
import com.sencha.gxt.widget.core.client.button.TextButton; | |
import com.sencha.gxt.widget.core.client.container.SimpleContainer; | |
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer; | |
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData; | |
import com.sencha.gxt.widget.core.client.event.SelectEvent; | |
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler; | |
import com.sencha.gxt.widget.core.client.toolbar.ToolBar; | |
import jsinterop.annotations.JsMethod; | |
import jsinterop.annotations.JsPackage; | |
import jsinterop.annotations.JsProperty; | |
import jsinterop.annotations.JsType; | |
@Example(name = "Toolbar Example", category = "Toolbar", icon = "java") | |
public class ToolbarExample implements EntryPoint, IsWidget { | |
@JsType(isNative = true, name = "Ext", namespace = JsPackage.GLOBAL) | |
public static class Ext { | |
@JsProperty(name = "isChrome") | |
public static native boolean isChrome(); | |
@JsMethod() | |
public static native java.lang.Object create(String className, java.lang.Object config); | |
} | |
@JsType(isNative = true, namespace = JsPackage.GLOBAL, name = "Object") | |
public static class ToolbarConfig { | |
@JsProperty | |
Object renderTo; | |
@JsProperty | |
String width; | |
@JsProperty | |
Object[] items; | |
} | |
// http://docs.sencha.com/extjs/6.2.0-classic/Ext.toolbar.Toolbar.html#methods | |
@JsType(isNative = true, namespace = "Ext.toolbar") | |
public static class Toolbar { | |
@JsMethod | |
public native void add(Object o); | |
} | |
@JsType(isNative = true, namespace = JsPackage.GLOBAL, name = "Object") | |
public static class Text { | |
@JsProperty | |
String text; | |
} | |
@JsType(isNative = true, namespace = JsPackage.GLOBAL, name = "Object") | |
public static class XType { | |
@JsProperty | |
String xtype; | |
} | |
private VerticalLayoutContainer vlc; | |
private SimpleContainer containerForJsni; | |
private SimpleContainer containerForJsInterop; | |
private JavaScriptObject extJsToolbar; | |
private Toolbar toolbarJsinterop; | |
@Override | |
public Widget asWidget() { | |
if (vlc == null) { | |
TextButton gxtButton = new TextButton("Add Something to ExtJs Toolbar"); | |
gxtButton.addSelectHandler(new SelectHandler() { | |
@Override | |
public void onSelect(SelectEvent event) { | |
addSomethingToJsniToolbar(); | |
} | |
}); | |
ToolBar gxtToolbar = new ToolBar(); | |
gxtToolbar.add(gxtButton); | |
containerForJsni = new SimpleContainer(); | |
containerForJsInterop = new SimpleContainer(); | |
vlc = new VerticalLayoutContainer(); | |
vlc.add(gxtToolbar); | |
vlc.add(containerForJsni, new VerticalLayoutData(1, 50)); | |
vlc.add(containerForJsInterop, new VerticalLayoutData(1, 50)); | |
// Check if ExtJs api has been loaded and then render ExtJs parts | |
// No need for a scheduler if you're sure it's loaded. | |
Scheduler.get().scheduleEntry(new RepeatingCommand() { | |
@Override | |
public boolean execute() { | |
boolean ready = isExtJsReady(); | |
if (ready) { | |
renderExtJs(); | |
renderJsInterop(); | |
} | |
return !ready; | |
} | |
}); | |
} | |
return vlc; | |
} | |
private void addSomethingToJsniToolbar() { | |
addItemToJsniObject(extJsToolbar); | |
addItemToJsInterop(); | |
} | |
private void addItemToJsInterop() { | |
XType fileUploadXType = new XType(); | |
fileUploadXType.xtype = "filefield"; | |
toolbarJsinterop.add(fileUploadXType); | |
} | |
private void renderJsInterop() { | |
Text text = new Text(); | |
text.text = "jsinterop text"; | |
Object[] items = new Object[1]; | |
items[0] = text; | |
// skipping getters and setters | |
ToolbarConfig config = new ToolbarConfig(); | |
config.renderTo = containerForJsInterop.getElement(); | |
config.width = "100%"; | |
config.items = items; | |
toolbarJsinterop = (Toolbar) Ext.create("Ext.toolbar.Toolbar", config); | |
}; | |
private void renderExtJs() { | |
extJsToolbar = renderExtJsToolbar(containerForJsni.getElement()); | |
} | |
private native JavaScriptObject renderExtJsToolbar(XElement el) /*-{ | |
return $wnd.Ext.create('Ext.toolbar.Toolbar', { | |
renderTo : el, | |
width : "100%", | |
items : [ { | |
text : 'jsni text' | |
} ] | |
}); | |
}-*/; | |
private native void addItemToJsniObject(JavaScriptObject toolbar) /*-{ | |
toolbar.add({ | |
xtype : 'filefield' | |
}); | |
}-*/; | |
private native boolean isExtJsReady() /*-{ | |
return !!$wnd.Ext; | |
}-*/; | |
@Override | |
public void onModuleLoad() { | |
RootPanel.get().add(this); | |
} | |
} |
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