org.glimpse.client.HtmlComponentOptionDialog.java Source code

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Here is the source code for org.glimpse.client.HtmlComponentOptionDialog.java

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/*
 * Copyright (C) 2009 Nicolas Dutertry
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.glimpse.client;

import org.glimpse.client.i18n.AggregatorConstants;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Overflow;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.event.dom.client.KeyDownHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.TextBox;

public class HtmlComponentOptionDialog extends DialogBox {
    private AggregatorConstants constants = GWT.create(AggregatorConstants.class);

    public static final KeyDownHandler DEFAULT_TEXTAREA_TAB_HANDLER = new KeyDownHandler() {
        @Override
        public final void onKeyDown(KeyDownEvent event) {
            if (event.getNativeKeyCode() == 9) {
                event.preventDefault();
                event.stopPropagation();
                final TextArea ta = (TextArea) event.getSource();
                final int index = ta.getCursorPos();
                final String text = ta.getText();
                ta.setText(text.substring(0, index) + "\t" + text.substring(index));
                ta.setCursorPos(index + 1);
            }
        }
    };

    private HtmlComponent component;
    private TextBox titleInput;
    private TextArea htmlArea;
    private TextArea scriptArea;

    public HtmlComponentOptionDialog(HtmlComponent component) {
        this.component = component;

        setAnimationEnabled(true);
        setText(constants.options());

        FlowPanel panel = new FlowPanel();

        FlexTable table = new FlexTable();
        table.setText(0, 0, constants.title());
        titleInput = new TextBox();
        table.setWidget(0, 1, titleInput);

        table.setText(1, 0, constants.html());
        htmlArea = new TextArea();
        htmlArea.setWidth("600px");
        htmlArea.setHeight("200px");
        htmlArea.addKeyDownHandler(DEFAULT_TEXTAREA_TAB_HANDLER);
        htmlArea.getElement().setAttribute("wrap", "off");
        htmlArea.getElement().getStyle().setOverflow(Overflow.SCROLL);
        table.setWidget(1, 1, htmlArea);

        table.setText(2, 0, "Script");
        scriptArea = new TextArea();
        scriptArea.setWidth("600px");
        scriptArea.setHeight("200px");
        scriptArea.addKeyDownHandler(DEFAULT_TEXTAREA_TAB_HANDLER);
        scriptArea.getElement().setAttribute("wrap", "off");
        scriptArea.getElement().getStyle().setOverflow(Overflow.SCROLL);
        table.setWidget(2, 1, scriptArea);

        panel.add(table);

        HorizontalPanel buttonsPanel = new HorizontalPanel();
        buttonsPanel.setWidth("100%");
        buttonsPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
        panel.add(buttonsPanel);

        Button ok = new Button(constants.ok());
        ok.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                HtmlComponentOptionDialog.this.component.update(titleInput.getText(), htmlArea.getText(),
                        scriptArea.getText());
                hide();
            }
        });
        buttonsPanel.add(ok);

        Button cancel = new Button(constants.cancel());
        cancel.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                hide();
            }
        });
        buttonsPanel.add(cancel);

        setWidget(panel);
    }

    @Override
    public void show() {
        synchronize();
        super.show();
    }

    @Override
    public void center() {
        synchronize();
        super.center();
    }

    private void synchronize() {
        titleInput.setValue(component.getTitle());
        htmlArea.setValue(component.getHtml());
        scriptArea.setValue(component.getScript());
    }
}