org.utgenome.gwt.widget.client.TrackWindowPanel.java Source code

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Here is the source code for org.utgenome.gwt.widget.client.TrackWindowPanel.java

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/*--------------------------------------------------------------------------
 *  Copyright 2008 utgenome.org
 *
 *  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.
 *--------------------------------------------------------------------------*/
//--------------------------------------
// utgb-widget Project
//
// WindowTrackPanel.java
// Since: May 1, 2008
//
// $URL$ 
// $Author$
//--------------------------------------
package org.utgenome.gwt.widget.client;

import org.utgenome.gwt.widget.client.impl.TrackPanelBase;

import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Track panel of the window shape
 * 
 * 
 * @author leo
 * 
 */
public class TrackWindowPanel extends TrackPanelBase {

    private FrameBorder border;
    private ScrollPanel scrollPanel = new ScrollPanel();
    private FocusPanel labelFrame = new FocusPanel();
    private HorizontalPanel titleFrame = new HorizontalPanel();
    private VerticalPanel layoutPanel = new VerticalPanel();
    private String title;
    private Label titleLabel = new Label();

    public TrackWindowPanel() {
        drawWidget();

        initWidget(layoutPanel);
    }

    protected void drawWidget() {

        // track label
        setTrackTitle("Track");
        Style.fontSize(titleLabel, 11);
        Style.fontFamily(titleLabel, "Tahoma, Arial, Verdana");
        Style.set(titleLabel, "color", "white");
        Style.overflowHidden(titleLabel);
        Style.fullBlock(titleLabel);
        labelFrame.add(titleLabel);

        // label frame
        Style.fullWidth(labelFrame);
        Style.cursor(labelFrame, Style.CURSOR_MOVE);

        // title bar
        titleFrame.setHeight("23px");

        Style.fullWidth(titleFrame);
        Label windowLeftCorner = new Label();
        windowLeftCorner.setSize("9px", "23px");
        Style.fontSize(windowLeftCorner, 0);
        Style.backgroundImage(windowLeftCorner, "theme/default/tdl.gif");
        Style.backgroundNoRepeat(windowLeftCorner);
        Label windowRightCorner = new Label();
        windowRightCorner.setSize("9px", "23px");
        Style.fontSize(windowRightCorner, 0);
        Style.backgroundImage(windowRightCorner, "theme/default/tdr.gif");
        Style.backgroundNoRepeat(windowRightCorner);

        HorizontalPanel titleBarFrame = new HorizontalPanel();
        titleBarFrame.setVerticalAlignment(VerticalPanel.ALIGN_MIDDLE);
        titleBarFrame.setHeight("23px");
        titleBarFrame.add(labelFrame);
        titleBarFrame.setCellWidth(labelFrame, "100%");
        titleBarFrame.setHorizontalAlignment(HorizontalPanel.ALIGN_RIGHT);
        titleBarFrame.add(getIconSetPanel());
        Style.fullWidth(titleBarFrame);
        Style.backgroundImage(titleBarFrame, "theme/default/td.gif");
        Style.backgroundRepeatX(titleBarFrame);
        Style.backgroundColor(titleBarFrame, "EEEEEE");

        titleFrame.add(windowLeftCorner);
        titleFrame.add(titleBarFrame);
        titleFrame.setCellWidth(titleBarFrame, "100%");
        titleFrame.add(windowRightCorner);

        VerticalPanel borderContent = new VerticalPanel();
        //Style.fullSize(borderContent);

        // whole window
        Style.fullSize(layoutPanel);
        layoutPanel.setVerticalAlignment(VerticalPanel.ALIGN_TOP);
        layoutPanel.add(titleFrame);

        // scroll panel
        borderContent.add(scrollPanel);
        //borderContent.setCellHeight(scrollPanel, "100%");
        //borderContent.setCellWidth(scrollPanel, "100%");

        // resize bar
        HorizontalPanel hp = new HorizontalPanel();
        Style.fullWidth(hp);
        //Style.backgroundColor(hp, "D0F0F0");
        Style.backgroundColor(hp, "E0E0E0");
        hp.setHeight("16px");
        hp.setHorizontalAlignment(HorizontalPanel.ALIGN_RIGHT);
        hp.add(getResizeButton());
        borderContent.add(hp);

        // window border
        border = new FrameBorder(2, FrameBorder.EAST | FrameBorder.SOUTH | FrameBorder.WEST);
        Style.fullWidth(border);
        border.setWidget(borderContent);
        layoutPanel.add(border);

        // set default widget height
        setWidth(200);
        setHeight(100);
    }

    public void setWidth(int pixelWidth) {
        if (pixelWidth >= 0) {
            layoutPanel.setWidth(pixelWidth + "px");
            scrollPanel.setWidth(pixelWidth - 4 + "px");
        }
    }

    public void setHeight(int pixelHeight) {
        if (pixelHeight >= 41) {
            layoutPanel.setWidth(pixelHeight + "px");
            border.setHeight(pixelHeight - 23 + "px");
            scrollPanel.setHeight(pixelHeight - 41 + "px");
        }
    }

    public void addTrackButtonListener(TrackButtonListener listener) {
        iconSet.addTrackButtonListener(listener);
    }

    public Widget getDraggableWidget() {
        return labelFrame;
    }

    public String getTrackTitle() {
        return title;
    }

    public void setTrackTitle(String title) {
        this.title = title;
        titleLabel.setText(title);
        titleLabel.setTitle(title);
    }

    public void setTrackContent(Widget w) {
        scrollPanel.setWidget(w);
    }

}