import java.util.LinkedHashSet;
import java.util.Set;
+import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.event.logical.shared.ResizeEvent;
$wnd.location.reload();
}-*/;
+ /**
+ * Evaluate given script in browser document.
+ *
+ * @param script
+ * Script to be executed with $1, $2, ... markers to be replaced
+ * with argument references.
+ * @param args
+ * JavaScript array of element references to be replaced in
+ * script
+ */
+ private static native void eval(String script, JavaScriptObject args)
+ /*-{
+ try {
+ if (script == null) return;
+ $wnd.evalargs = args;
+ if (args != null)
+ for (var i=1;i<= args.length;i++)
+ script = script.replace("$"+i, "$wnd.evalargs["+(i-1)+"]");
+ eval(script);
+ $wnd.evalargs = null;
+ } catch (e) {
+ }
+ }-*/;
+
+ /** Helper for creating empty javascript arrays */
+ private native static JavaScriptObject createArray() /*-{
+ return new Array();
+ }-*/;
+
+ /** Add an element to javascript array */
+ private native static void pushArray(JavaScriptObject array, Element e) /*-{
+ array.push(e);
+ }-*/;
+
public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
rendering = true;
actionHandler = new ShortcutActionHandler(id, client);
}
actionHandler.updateActionMap(childUidl);
+ } else if (tag == "execJS") {
+ String script = childUidl.getStringAttribute("script");
+ int argNum = childUidl.getChildCount();
+ JavaScriptObject args = createArray();
+ for (int i = 0; i < argNum; i++) {
+ String id = childUidl.getChildUIDL(i).getStringAttribute(
+ "ref");
+ Paintable p = client.getPaintable(id);
+ pushArray(args, p == null ? null : ((Widget) p)
+ .getElement());
+ }
+ eval(script, args);
} else if (tag == "notifications") {
for (final Iterator it = childUidl.getChildIterator(); it
.hasNext();) {
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
+import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashSet;
import com.vaadin.terminal.DownloadStream;
import com.vaadin.terminal.PaintException;
import com.vaadin.terminal.PaintTarget;
+import com.vaadin.terminal.Paintable;
import com.vaadin.terminal.ParameterHandler;
import com.vaadin.terminal.Resource;
import com.vaadin.terminal.Sizeable;
private Focusable pendingFocus;
+ private ArrayList<String> jsExecQueue = null;
+ private ArrayList<ArrayList<Paintable>> jsExecParamsQueue = null;
+
/* ********************************************************************* */
/**
// Contents of the window panel is painted
super.paintContent(target);
+ // Add executable javascripts if needed
+ if (jsExecQueue != null) {
+ while (jsExecQueue.size() > 0) {
+ String script = jsExecQueue.get(0);
+ ArrayList<Paintable> args = jsExecParamsQueue.get(0);
+ target.startTag("execJS");
+ target.addAttribute("script", script);
+ for (Paintable p : args) {
+ target.startTag("arg");
+ target.paintReference(p, "ref");
+ target.endTag("arg");
+ }
+ target.endTag("execJS");
+ jsExecQueue.remove(0);
+ jsExecParamsQueue.remove(0);
+ }
+ jsExecQueue = null;
+ jsExecParamsQueue = null;
+ }
+
// Window position
target.addVariable(this, "positionx", getPositionX());
target.addVariable(this, "positiony", getPositionY());
}
}
+ /**
+ * Executes JavaScript in this window.
+ *
+ * <p>
+ * This method allows one to inject javascript from the server to client.
+ * Client implementation is not required to implenment this functionality,
+ * but currently all web-based clients do implement this.
+ * </p>
+ *
+ * <p>
+ * The script may contain markers indentified with "$x", where x is a one
+ * digit number. The number of markers must match to the number of optional
+ * Paintable reference parameters. The first marker is $1, second $2 and so
+ * on. If the markers are specified, the markers are replaced in the browser
+ * with references to outmost DOM elements connected to the given
+ * paintables.
+ * </p>
+ *
+ * <p>
+ * Use example 1: <code>
+ mainWindow.executeJavaScript("alert(foo");
+ * </code>
+ * </p>
+ *
+ * <p>
+ * Use example 2: <code>
+ Label label = new Label("Label");
+ TextField textfield = new TextField("TestField");
+ mainWindow.addComponent(label);
+ mainWindow.addComponent(textfield);
+ mainWindow.executeJavaScript("$1.style.backgroundColor='yellow';$2.style.borderColor='red';",label,textfield);
+ * </code>
+ * </p>
+ *
+ * @param script
+ * JavaScript snippet that will be executed and that might
+ * optionally contain $1, $2, ... markers.
+ * @param paintables
+ * References to number of visible paintables that correspond the
+ * to markers listed in script
+ */
+ public void executeJavaScript(String script, Paintable... paintables) {
+
+ if (getParent() != null) {
+ throw new UnsupportedOperationException(
+ "Only application level windows can execute javascript.");
+ }
+
+ ArrayList<Paintable> ps = new ArrayList<Paintable>();
+ for (Paintable p : paintables) {
+ ps.add(p);
+ }
+
+ if (jsExecQueue == null) {
+ jsExecQueue = new ArrayList<String>();
+ jsExecParamsQueue = new ArrayList<ArrayList<Paintable>>();
+ }
+
+ jsExecQueue.add(script);
+ jsExecParamsQueue.add(ps);
+
+ requestRepaint();
+ }
}
--- /dev/null
+package com.vaadin.tests.tickets;
+
+import com.vaadin.Application;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.TextField;
+import com.vaadin.ui.Window;
+import com.vaadin.ui.Button.ClickEvent;
+
+public class Ticket3589 extends Application {
+
+ @Override
+ public void init() {
+ final Window mainWindow = new Window("Test");
+ setMainWindow(mainWindow);
+
+ mainWindow.addComponent(new Button("alert('foo')",
+ new Button.ClickListener() {
+
+ public void buttonClick(ClickEvent event) {
+ mainWindow.executeJavaScript("alert('foo');");
+ }
+ }));
+
+ final Label label = new Label("Label");
+ final TextField textfield = new TextField("TestField");
+ mainWindow.addComponent(label);
+ mainWindow.addComponent(textfield);
+
+ final String script = "$1.style.backgroundColor='yellow';$2.style.borderColor='red';";
+ mainWindow.addComponent(new Button(script, new Button.ClickListener() {
+
+ public void buttonClick(ClickEvent event) {
+ mainWindow.executeJavaScript(script, label, textfield);
+ }
+ }));
+
+ }
+}
projects / vaadin-framework.git / commitdiff