edu.caltech.ipac.firefly.ui.PopupContainerForRegion.java Source code

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Here is the source code for edu.caltech.ipac.firefly.ui.PopupContainerForRegion.java

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

import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.DockLayoutPanel;
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.Panel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import edu.caltech.ipac.firefly.core.Application;
import edu.caltech.ipac.firefly.core.layout.LayoutManager;
import edu.caltech.ipac.firefly.ui.panels.BackButton;
import edu.caltech.ipac.firefly.util.BrowserUtil;
import edu.caltech.ipac.firefly.util.Dimension;

/**
 * User: roby
 * Date: May 19, 2008
 * Time: 2:35:43 PM
 */

/**
 * @author Trey Roby
 */
public class PopupContainerForRegion implements PopoutContainer {

    private static final int TOOLBAR_HEIGHT = 70;

    private static final int TOP_OFFSET = 75;
    protected boolean _showing = false;

    private final DockLayoutPanel _layout = new DockLayoutPanel(Style.Unit.PX);
    private final DockLayoutPanel headerBar = new DockLayoutPanel(Style.Unit.PX);
    private final HorizontalPanel headerLeft = new HorizontalPanel();
    private final BackButton _close = new BackButton("Close");
    private final SimplePanel titleBar = new SimplePanel();
    private PopoutWidget _popout;

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

    public PopupContainerForRegion() {

        headerBar.setWidth("100%");
        headerBar.add(headerLeft);

        headerLeft.add(_close);

        _layout.setStyleName("standalone-expand");
        _layout.setSize("100%", "100%");

        headerLeft.add(GwtUtil.getFiller(10, 1));
        headerLeft.setStyleName("header");
        GwtUtil.setStyle(headerLeft, "padding", "5px 5px 0 0 ");
        headerLeft.add(GwtUtil.getFiller(30, 1));
        headerLeft.add(titleBar);
        titleBar.setStyleName("title-bar");
        headerLeft.setCellHorizontalAlignment(titleBar, HasHorizontalAlignment.ALIGN_LEFT);
        headerLeft.setCellWidth(titleBar, "100%");

        _close.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                dropDownCloseExecuted();
            }
        });
        GwtUtil.setStyle(_close, "marginLeft", "20px");

        Window.addResizeHandler(new ResizeHandler() {
            public void onResize(ResizeEvent event) {
                if (_showing) {
                    ensureSize();
                }
            }
        });

        Window.addWindowScrollHandler(new Window.ScrollHandler() {
            public void onWindowScroll(Window.ScrollEvent event) {
                if (BrowserUtil.isIE()) {
                    ensureSize();
                }
            }
        });

    }

    private void ensureSize() {
        if (_popout.isExpanded() && GwtUtil.isOnDisplay(_layout)) {
            Dimension dim = getAvailableSize();
            Widget tlExpRoot = _popout.getToplevelExpandRoot();
            tlExpRoot.setPixelSize(dim.getWidth(), dim.getHeight());
            _layout.onResize();
        }
    }

    public void freeResources() {
    }

    public void setPopoutWidget(PopoutWidget popout) {
        _popout = popout;
    }

    public void show() {

        LayoutManager lm = Application.getInstance().getLayoutManager();
        _layout.clear();

        lm.getRegion(LayoutManager.POPOUT_REGION).setDisplay(GwtUtil.wrap(_layout, 4, 4, 4, 4, true));
        //        lm.getRegion(LayoutManager.POPOUT_REGION).setDisplay(_layout);
        //        lm.getRegion(LayoutManager.POPOUT_REGION).show();
        _layout.addNorth(headerBar, TOOLBAR_HEIGHT);
        DockLayoutPanel p = new DockLayoutPanel(Style.Unit.PX);
        //        _layout.add(GwtUtil.wrap(_popout.getToplevelExpandRoot(), 1,4,1,4));
        _layout.add(GwtUtil.wrap(_popout.getToplevelExpandRoot(), 1, 4, 1, 4));

        _showing = true;
        GwtUtil.setHidden(_close, !isCloseShowing());

        _close.setDesc("Close");
    }

    public void hide() {

        if (_showing) {
            LayoutManager lm = Application.getInstance().getLayoutManager();
            lm.getRegion(LayoutManager.POPOUT_REGION).hide();
            _showing = false;
            _popout.toggleExpand();
        }
    }

    public void hideOnlyDisplay() {
        if (_showing) {
            LayoutManager lm = Application.getInstance().getLayoutManager();
            lm.getRegion(LayoutManager.POPOUT_REGION).hide();
            _showing = false;
        }
    }

    public void setTitle(final String title) {
        Label l = new Label(title);
        GwtUtil.setStyles(l, "fontSize", "13pt", "paddingTop", "7px");
        if (GwtUtil.isHidden(_close.getElement())) {
            GwtUtil.setStyle(l, "paddingLeft", "60px");
        }
        setTitle(l);
    }

    public void setTitle(final Widget title) {
        titleBar.setWidget(title);
    }

    public Dimension getAvailableSize() {
        int w = _layout.getOffsetWidth();
        int h = _layout.getOffsetHeight() - TOP_OFFSET;
        return new Dimension(w, h);
    }

    public boolean isExpanded() {
        return _showing;
    }

    public Panel getHeaderBar() {
        return headerLeft;
    }

    protected void dropDownCloseExecuted() {
        hide();
    }

    public boolean isCloseShowing() {
        return true;
    }

    public boolean isViewControlShowing() {
        return true;
    }

    public boolean isImageSelectionShowing() {
        return true;
    }
}