com.controlj.addon.gwttree.client.MainPage.java Source code

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Here is the source code for com.controlj.addon.gwttree.client.MainPage.java

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/*
 * Copyright (c) 2010 Automated Logic Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.controlj.addon.gwttree.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.ui.*;
import com.google.gwt.user.datepicker.client.DatePicker;

import java.util.Date;

/**<!=========================================================================>
   Main GWT Module, this constructs the main page and wires together the other
   main classes.
 <!==========================================================================>*/
public class MainPage implements EntryPoint {
    private final GraphManager graphManager = new GraphManager();
    private final TreeManager treeManager = new TreeManager(graphManager);
    private final DatePicker picker = new DatePicker();

    private void setupUI() {
        // Add horizontal split
        HorizontalSplitPanel split = new HorizontalSplitPanel();
        split.setLeftWidget(createLeftPanel());
        split.setRightWidget(graphManager.createPanel());
        split.setSplitPosition("20%");

        RootPanel.get("main").add(split);
    }

    private Widget createLeftPanel() {
        VerticalPanel vpanel = new VerticalPanel();

        // setup Calendar
        picker.setValue(new Date());
        picker.addValueChangeHandler(new ValueChangeHandler<Date>() {
            public void onValueChange(ValueChangeEvent<Date> event) {
                graphManager.updateSelectedGraph(event.getValue());
            }
        });
        vpanel.add(picker);
        vpanel.add(treeManager.createPanel());

        return vpanel;
    }

    private void configureTreeManager() {
        treeManager.setListener(new TreeManager.TreeSelectionListener() {
            @Override
            public void selectionChanged() {
                graphManager.selectedEqsChanged(treeManager.getCheckedEntries());
            }
        });
    }

    /**<!====== onModuleLoad ==================================================>
       Construct the page after the main framework is loaded.
    <!=======================================================================>*/
    public void onModuleLoad() {
        // create the UI
        setupUI();

        // Register a listener with the tree so we know when to generate graphs
        configureTreeManager();
    }
}