ca.upei.ic.timetable.client.FindCourseView.java Source code

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Here is the source code for ca.upei.ic.timetable.client.FindCourseView.java

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/*
 *  Copyright 2008 University of Prince Edward Island
 *
 *  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.
 */
package ca.upei.ic.timetable.client;

import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HasAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.KeyboardListener;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * A View that includes a list of levels and a list of departments
 * 
 * @author felix
 *
 */
public class FindCourseView implements View {
    private final DialogBox dialogBox_;
    private FindCourseViewController controller_;
    private final Widget levelTable_;
    private final Widget departmentTable_;
    private final Widget semesterTable_;
    private final Widget startTimeWidget_;

    public FindCourseView(FindCourseViewController controller) {
        controller_ = controller;

        // set up the dialog box
        dialogBox_ = new DialogBox(false, true); // autohide = false, modal = true
        dialogBox_.setAnimationEnabled(true);
        dialogBox_.setText("Find Courses...");

        // i have a horizontal panel
        HorizontalPanel filterPanel = new HorizontalPanel();
        // i have a level flex table
        levelTable_ = controller_.getLevelModel().getWidget();
        departmentTable_ = controller_.getDepartmentModel().getWidget();
        semesterTable_ = controller_.getSemesterModel().getWidget();
        startTimeWidget_ = controller_.getStartTimeModel().getWidget();

        // button panel
        HorizontalPanel buttonPanel = new HorizontalPanel();
        buttonPanel.setHorizontalAlignment(HasAlignment.ALIGN_RIGHT);

        // i have an OK button
        final Button okButton = new Button("Search");
        okButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                // search and close the dialog
                controller_.search();
                hide();
            }

        });

        okButton.addKeyboardListener(new KeyboardListener() {

            public void onKeyDown(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyPress(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyUp(Widget sender, char keyCode, int modifiers) {
                if (keyCode == KeyboardListener.KEY_ENTER) {
                    okButton.click();
                }
            }

        });

        final Button cancelButton = new Button("Cancel");
        cancelButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                hide();
            }
        });

        cancelButton.addKeyboardListener(new KeyboardListener() {

            public void onKeyDown(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyPress(Widget sender, char keyCode, int modifiers) {
            }

            public void onKeyUp(Widget sender, char keyCode, int modifiers) {
                if (keyCode == KeyboardListener.KEY_ESCAPE)
                    cancelButton.click();
            }

        });

        SimplePanel empty = new SimplePanel();
        empty.setWidth("230px");
        buttonPanel.add(empty);
        buttonPanel.add(cancelButton);
        buttonPanel.add(okButton);
        buttonPanel.setSpacing(5);
        buttonPanel.setWidth("485px");

        // add the panel to the dialog box
        dialogBox_.add(PanelUtils.verticalPanel(PanelUtils.horizontalPanel(
                PanelUtils.verticalPanel(PanelUtils.scrollPanel(levelTable_, 250, 180),
                        PanelUtils.scrollPanel(semesterTable_, 250, 120),
                        PanelUtils.scrollPanel(startTimeWidget_, 250, 30)),
                PanelUtils.scrollPanel(departmentTable_, 250, 320)), buttonPanel));
        dialogBox_.setPopupPosition(240, 0);
    }

    public FindCourseViewController getController() {
        return controller_;
    }

    public void show() {
        dialogBox_.show();
    }

    public void hide() {
        dialogBox_.hide();
    }

    public void addSubView(View subView) {
        dialogBox_.add(subView.getWidget());
    }

    public Widget getWidget() {
        return dialogBox_;
    }

}