edu.caltech.ipac.firefly.visualize.DefaultDrawable.java Source code

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Here is the source code for edu.caltech.ipac.firefly.visualize.DefaultDrawable.java

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/*
 * License information at https://github.com/Caltech-IPAC/firefly/blob/master/License.txt
 */
package edu.caltech.ipac.firefly.visualize;

import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.Widget;

import java.util.ArrayList;
import java.util.List;

/**
 * User: roby
 * Date: Sep 30, 2009
 * Time: 10:02:45 AM
 */

/**
 * @author Trey Roby
 */
public class DefaultDrawable implements Drawable {

    private AbsolutePanel _drawingPanel = new AbsolutePanel();
    private List<Widget> highPriorityList = new ArrayList<Widget>(6);

    private int _width = 1;
    private int _height = 1;
    private final String id;
    private static int idCnt = 1;
    //    private List<DrawingLayer> _layers= new ArrayList<DrawingLayer>(5);

    //======================================================================
    //----------------------- Constructors ---------------------------------
    //======================================================================

    //======================================================================
    //----------------------- Public Methods -------------------------------
    //======================================================================

    public int getDrawingWidth() {
        return _width;
    }

    public int getDrawingHeight() {
        return _height;
    }

    public DefaultDrawable() {
        _drawingPanel.addStyleName("drawingArea");
        _drawingPanel.setPixelSize(_width, _height);
        id = "DP" + idCnt;
        idCnt++;
    }

    public AbsolutePanel getDrawingPanelContainer() {
        return _drawingPanel;
    }

    public Widget addDrawingArea(Widget w, boolean highPriority) {
        w.setPixelSize(_width, _height);
        w.addStyleName("drawingArea");
        if (highPriority) {
            _drawingPanel.add(w, 0, 0);
            highPriorityList.add(w);
        } else {
            if (highPriorityList.size() > 0) {
                int pos = 0;
                boolean insert = false;
                for (Widget panel : _drawingPanel) {
                    if (highPriorityList.contains(panel)) {
                        insert = true;
                        break;
                    }
                    pos++;
                }
                if (insert && pos < _drawingPanel.getWidgetCount()) {
                    _drawingPanel.insert(w, pos);
                    _drawingPanel.setWidgetPosition(w, 0, 0);
                } else {
                    _drawingPanel.add(w, 0, 0);
                }
            } else {
                _drawingPanel.add(w, 0, 0);
            }

        }
        addID(w);
        return w;
    }

    private void addID(Widget w) {
        DOM.setElementProperty(w.getElement(), "id", id);
    }

    public void replaceDrawingArea(Widget old, Widget w) {
        int idx = _drawingPanel.getWidgetIndex(old);
        if (idx > -1) {
            w.addStyleName("drawingArea");
            w.setPixelSize(_width, _height);
            _drawingPanel.insert(w, idx);
            _drawingPanel.setWidgetPosition(w, 0, 0);
            _drawingPanel.remove(idx + 1);
        }
        addID(w);
    }

    public void insertBeforeDrawingArea(Widget before, Widget w) {
        int idx = _drawingPanel.getWidgetIndex(before);
        if (idx > -1) {
            w.addStyleName("drawingArea");
            w.setPixelSize(_width, _height);
            _drawingPanel.insert(w, idx);
            _drawingPanel.setWidgetPosition(w, 0, 0);
        }
        addID(w);
    }

    public void insertAfterDrawingArea(Widget after, Widget w) {
        int idx = _drawingPanel.getWidgetIndex(after);
        int cnt = _drawingPanel.getWidgetCount();
        if (idx == -1 || idx >= cnt - 1) {
            _drawingPanel.add(w);
        } else {
            _drawingPanel.insert(w, idx + 1);
        }
        w.addStyleName("drawingArea");
        w.setPixelSize(_width, _height);
        _drawingPanel.setWidgetPosition(w, 0, 0);
        addID(w);
    }

    public void removeDrawingArea(Widget w) {
        _drawingPanel.remove(w);
    }

    public void setPixelSize(int width, int height) {

        if (_width != width || _height != height) {
            _width = width;
            _height = height;
            _drawingPanel.setPixelSize(width, height);

            for (Widget da : _drawingPanel) {
                da.setPixelSize(width, height);
            }
        }
    }

    // =====================================================================
    // -------------------- Factory Methods --------------------------------
    // =====================================================================

    //    private class DrawingLayer {
    //
    //        private final Graphics _graphics;
    //        private final String _desc;
    //        private boolean _showing= true;
    //
    //        DrawingLayer(Graphics drawable,
    //                     String desc) {
    //            _graphics= drawable;
    //            _desc= desc;
    //        }
    //
    //        public Graphics getGraphics() { return _graphics; }
    //        public String getDesc() { return _desc; }
    //
    //        public void setShowing(boolean s) { _showing= s; }
    //        public boolean isShowing() { return _showing; }
    //
    //    }

}