SmartClient.java

/*
 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     bstefanescu
 *
 * $Id$
 */

package org.nuxeo.ecm.platform.gwt.client;

import org.nuxeo.ecm.platform.gwt.client.ui.SmartWidget;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.ui.Widget;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.layout.SectionStack;
import com.smartgwt.client.widgets.tab.Tab;
import com.smartgwt.client.widgets.tab.TabSet;
import com.smartgwt.client.widgets.tab.events.TabCloseClickEvent;
import com.smartgwt.client.widgets.tree.Tree;
import com.smartgwt.client.widgets.tree.TreeGrid;
import com.smartgwt.client.widgets.tree.TreeNode;

/**
 * This class is there to fix any problem found in smartgwt like
 * unexposed JS API or real bugs. Ideally this class should not exist.
 *
 * See also NuxeoDataSource
 *
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 *
 */
public class SmartClient implements EntryPoint {


    /**
     * This is the entry point method.
     */
    public void onModuleLoad() {
        ApplicationBundle bundle = GWT.create(SmartBundle.class);
        bundle.start();
    }

    public static Canvas toCanvas(Widget widget) {
        if (widget instanceof Canvas) {
            return (Canvas)widget;
        } else {
            return new SmartWidget(widget);
        }
    }


    public static void install() {
        fixCursorTrackerPath();
    }


    /**
     * The cursor tracker path is not correctly initialized by ISC - because of the JS load order
     * which is first loading RPCManager class and then the loadSkin JS.
     *
     */
    public native static void fixCursorTrackerPath()/*-{
    $wnd.isc.RPC.cursorTrackerDefaults.src=$wnd.isc.Page.getSkinDir()+"/images/shared/progressCursorTracker.png";
    }-*/;

    /**
     * Tree is not yet exposing findNodeById method.
     */
    public static TreeNode findNodeById(TreeGrid tree, String id) {
        return findNodeById(tree.getData(), id);
    }

    public native static TreeNode findNodeById(Tree tree, String id) /*-{
        var theTree= tree.@com.smartgwt.client.core.BaseClass::getOrCreateJsObj()();
        var node = theTree.findById(id);
        if (node != null) {
            return @com.smartgwt.client.widgets.tree.TreeNode::new(Lcom/google/gwt/core/client/JavaScriptObject;)(node);
        }
        return null;
    }-*/;




    public static void unloadChildren(Tree tree, TreeNode node) {
        unloadChildren(tree, node.getJsObj());
    }

    public native static void unloadChildren(Tree tree, JavaScriptObject node) /*-{
    var theTree= tree.@com.smartgwt.client.core.BaseClass::getOrCreateJsObj()();
    theTree.unloadChildren(node);
    }-*/;

    /**
     * TODO workaround for a smartgwt bug
     * Hack to get the tab id - event.getTab() is not working - throws a ClassCastExcpetion
     * @param event
     * @return
     */
    public static native String getTabId(TabCloseClickEvent event) /*-{
        var jsObj = event.@com.smartgwt.client.event.AbstractSmartEvent::jsObj;
        return jsObj.tab.ID;
    }-*/;


    /**
     * TODO workaround for a smartgwt bug
     * Hack to set the icon - this method is missing from the API
     * @param tabs
     * @param tab
     * @param icon
     */
    public static native void setTabIcon(TabSet tabs, Tab tab, String icon) /*-{
        var self = tabs.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
        var tabJS = tab.@com.smartgwt.client.widgets.tab.Tab::getJsObj()();
        self.setTabIcon(tabJS, icon);
    }-*/;

    public static native void setTabIcon(TabSet tabs, String tab, String icon) /*-{
    var self = tabs.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    self.setTabIcon(tab, icon);
}-*/;

    public static native void setTabTitle(TabSet tabs, Tab tab, String title) /*-{
        var self = tabs.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
        var tabJS = tab.@com.smartgwt.client.widgets.tab.Tab::getJsObj()();
        self.setTabTitle(tabJS, title);
    }-*/;


    public static native void setSectionTitle(SectionStack stack, String id, String title) /*-{
    var self = stack.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    self.setSectionTitle(id, title);
}-*/;

    //TODO
    public static native void setSectionIcon(SectionStack stack, String id, String icon) /*-{
    var self = stack.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    //self.setSectionIcon(id, icon);
}-*/;

    public static native int getSectionsCount(SectionStack stack) /*-{
    var self = stack.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    //var sectionJS = tab.@com.smartgwt.client.widgets.layout.SectionStackSection::getJsObj()();
    return self.getSections().length;
}-*/;

    public static native void addSectionItem(SectionStack stack, String id, Canvas widget) /*-{
    var self = stack.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    var jsWidget = widget.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
    self.addItem(id, jsWidget);
}-*/;

}