org.rstudio.core.client.widget.MiniDialogPopupPanel.java Source code

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Here is the source code for org.rstudio.core.client.widget.MiniDialogPopupPanel.java

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/*
 * MiniDialogPopupPanel.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.core.client.widget;

import org.rstudio.core.client.theme.res.ThemeResources;
import org.rstudio.core.client.theme.res.ThemeStyles;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.DecoratedPopupPanel;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public abstract class MiniDialogPopupPanel extends DecoratedPopupPanel {
    public MiniDialogPopupPanel() {
        super();
        commonInit();
    }

    public MiniDialogPopupPanel(boolean autoHide) {
        super(autoHide);
        commonInit();
    }

    public MiniDialogPopupPanel(boolean autoHide, boolean modal) {
        super(autoHide, modal);
        commonInit();
    }

    private void commonInit() {
        addStyleName(ThemeStyles.INSTANCE.miniDialogPopupPanel());

        verticalPanel_ = new VerticalPanel();
        verticalPanel_.setStyleName(ThemeStyles.INSTANCE.miniDialogContainer());

        // title bar
        HorizontalPanel titleBar = new HorizontalPanel();
        titleBar.setWidth("100%");

        captionLabel_ = new Label();
        captionLabel_.setStyleName(ThemeStyles.INSTANCE.miniDialogCaption());
        titleBar.add(captionLabel_);
        titleBar.setCellHorizontalAlignment(captionLabel_, HasHorizontalAlignment.ALIGN_LEFT);

        HorizontalPanel toolsPanel = new HorizontalPanel();
        toolsPanel.setStyleName(ThemeStyles.INSTANCE.miniDialogTools());
        ToolbarButton hideButton = new ToolbarButton(ThemeResources.INSTANCE.closeChevron(), new ClickHandler() {
            public void onClick(ClickEvent event) {
                MiniDialogPopupPanel.this.hideMiniDialog();
            }
        });
        hideButton.setTitle("Close");
        toolsPanel.add(hideButton);
        titleBar.add(toolsPanel);
        titleBar.setCellHorizontalAlignment(toolsPanel, HasHorizontalAlignment.ALIGN_RIGHT);

        verticalPanel_.add(titleBar);

        // main widget
        verticalPanel_.add(createMainWidget());

        setWidget(verticalPanel_);
    }

    public void setCaption(String caption) {
        captionLabel_.setText(caption);
    }

    protected abstract Widget createMainWidget();

    protected void hideMiniDialog() {
        hide();
        restorePreviouslyFocusedElement();
    }

    // TODO: refactor so the originally active element code is
    // shared between MiniDialogPopupPanel and ModalDialogBase 

    public void recordPreviouslyFocusedElement() {
        focusContext_.record();
    }

    protected void restorePreviouslyFocusedElement() {
        focusContext_.restore();
    }

    private VerticalPanel verticalPanel_;
    private Label captionLabel_;
    private FocusContext focusContext_ = new FocusContext();
}