org.openelis.gwt.widget.table.PopupTable.java Source code

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Here is the source code for org.openelis.gwt.widget.table.PopupTable.java

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/** Exhibit A - UIRF Open-source Based Public Software License.
* 
* The contents of this file are subject to the UIRF Open-source Based
* Public Software License(the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* openelis.uhl.uiowa.edu
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
* 
* The Original Code is OpenELIS code.
* 
* The Initial Developer of the Original Code is The University of Iowa.
* Portions created by The University of Iowa are Copyright 2006-2008. All
* Rights Reserved.
* 
* Contributor(s): ______________________________________.
* 
* Alternatively, the contents of this file marked
* "Separately-Licensed" may be used under the terms of a UIRF Software
* license ("UIRF Software License"), in which case the provisions of a
* UIRF Software License are applicable instead of those above. 
*/
package org.openelis.gwt.widget.table;

import java.util.ArrayList;

import org.openelis.gwt.widget.table.TableView.VerticalScroll;

import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.HasCloseHandlers;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.DeferredCommand;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;

public class PopupTable extends TableWidget implements CloseHandler<PopupPanel>, HasCloseHandlers<PopupPanel> {

    protected boolean showingOptions;

    public class DropPopup extends PopupPanel {

        public boolean showing;

        public DropPopup(boolean auto) {
            super(auto);
        }

        public void show() {
            super.show();
            showing = true;
        }

        public void hide() {
            super.hide();
            showing = false;
        }

        public void hide(boolean auto) {
            super.hide(auto);
            showing = false;
        }

        public boolean isShowing() {
            return showing;
        }
    };

    public final DropPopup popup = new DropPopup(true);

    public PopupTable() {

    }

    public PopupTable(ArrayList<TableColumn> columns, int maxRows, String width, String title, boolean showHeader,
            VerticalScroll showScroll) {
        super();
        for (TableColumn column : columns) {
            column.setTableWidget(this);
        }
        this.columns = columns;
        this.maxRows = maxRows;
        this.title = title;
        this.showHeader = showHeader;
        renderer = new TableRenderer(this);
        view = new TableView(this, showScroll);
        view.setWidth(width);
        view.setHeight(maxRows * cellHeight);
        keyboardHandler = new TableKeyboardHandler(this);
        setWidget(view);
        popup.addStyleName("AutoCompletePopup");
        popup.setWidget(view);
        popup.addCloseHandler(this);
        addDomHandler(keyboardHandler, KeyDownEvent.getType());
        addDomHandler(keyboardHandler, KeyUpEvent.getType());
    }

    public void showTable() {
        showingOptions = true;
        popup.setPopupPosition(this.getAbsoluteLeft(), this.getAbsoluteTop() + this.getOffsetHeight() - 1);
        popup.show();
        DeferredCommand.addCommand(new Command() {
            public void execute() {
                if (view.header != null)
                    view.header.sizeHeader();
                scrollToSelection();
            }
        });
        focused = true;

    }

    public void showTable(Widget wid) {
        showingOptions = true;
        popup.setPopupPosition(wid.getAbsoluteLeft(), wid.getAbsoluteTop() + wid.getOffsetHeight() - 1);
        popup.show();
        DeferredCommand.addCommand(new Command() {
            public void execute() {
                if (view.header != null)
                    view.header.sizeHeader();
                scrollToSelection();
            }
        });
        focused = true;
    }

    public void hideTable() {
        showingOptions = false;
        popup.hide();
    }

    public void onClose(CloseEvent<PopupPanel> event) {
        showingOptions = false;
    }

    public HandlerRegistration addCloseHandler(CloseHandler<PopupPanel> handler) {
        return addHandler(handler, CloseEvent.getType());
    }

}