org.rstudio.studio.client.common.satellite.SatelliteWindow.java Source code

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Here is the source code for org.rstudio.studio.client.common.satellite.SatelliteWindow.java

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/*
 * SatelliteWindow.java
 *
 * Copyright (C) 2009-12 by RStudio, Inc.
 *
 * Unless you have received this program directly from RStudio pursuant
 * to the terms of a commercial license agreement with RStudio, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */
package org.rstudio.studio.client.common.satellite;

import org.rstudio.core.client.command.AppCommand;
import org.rstudio.core.client.widget.FontSizer;
import org.rstudio.studio.client.application.events.ChangeFontSizeEvent;
import org.rstudio.studio.client.application.events.ChangeFontSizeHandler;
import org.rstudio.studio.client.application.events.EventBus;
import org.rstudio.studio.client.workbench.ui.FontSizeManager;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.dom.client.Document;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.LayoutPanel;
import com.google.gwt.user.client.ui.ProvidesResize;
import com.google.gwt.user.client.ui.RequiresResize;
import com.google.inject.Provider;

public abstract class SatelliteWindow extends Composite implements RequiresResize, ProvidesResize {
    public SatelliteWindow(Provider<EventBus> pEventBus, Provider<FontSizeManager> pFontSizeManager) {
        // save references
        pEventBus_ = pEventBus;
        pFontSizeManager_ = pFontSizeManager;

        // occupy full client area of the window
        if (!allowScrolling())
            Window.enableScrolling(false);
        Window.setMargin("0px");

        // create application panel
        mainPanel_ = new LayoutPanel();

        // init widget
        initWidget(mainPanel_);
    }

    protected boolean allowScrolling() {
        return false;
    }

    // show the satellite window (subclasses shouldn't override this method,
    // rather they should override the abstract onInitialize method)
    public void show(JavaScriptObject params) {
        // react to font size changes
        EventBus eventBus = pEventBus_.get();
        eventBus.addHandler(ChangeFontSizeEvent.TYPE, new ChangeFontSizeHandler() {
            public void onChangeFontSize(ChangeFontSizeEvent event) {
                FontSizer.setNormalFontSize(Document.get(), event.getFontSize());
            }
        });
        FontSizeManager fontSizeManager = pFontSizeManager_.get();
        FontSizer.setNormalFontSize(Document.get(), fontSizeManager.getSize());

        // disable no handler assertions
        AppCommand.disableNoHandlerAssertions();

        // allow subclasses to initialize
        onInitialize(mainPanel_, params);
    }

    @Override
    public void onResize() {
        mainPanel_.onResize();
    }

    abstract protected void onInitialize(LayoutPanel mainPanel, JavaScriptObject params);

    protected LayoutPanel getMainPanel() {
        return mainPanel_;
    }

    private final Provider<EventBus> pEventBus_;
    private final Provider<FontSizeManager> pFontSizeManager_;
    private LayoutPanel mainPanel_;
}