TextEditable.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package  org.turro.zkoss.text;
 
import org.turro.i18n.I_;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.Button;
import org.zkoss.zul.Hbox;
import org.zkoss.zul.Html;
import org.zkoss.zul.Textbox;
import org.zkoss.zul.Vbox;
 
public class TextEditable extends Vbox implements AfterCompose {
 
  private Textbox editor;
  private Html html;
  private String value, caption;
  private boolean editing = false;
  private int rows;
 
  public String getCaption() {
    return caption;
  }
 
  public void setCaption(String caption) {
    this.caption = caption;
  }
 
  public String getValue() {
    return value;
  }
 
  public void setValue(String value) {
    this.value = value;
  }
 
  public boolean isEditing() {
    return editing;
  }
 
  public void setEditing(boolean editing) {
    this.editing = editing;
    createComponents();
  }
 
  public int getRows() {
    return rows;
  }
 
  public void setRows(int rows) {
    this.rows = rows;
  }
 
  @Override
  public void afterCompose() {
    createComponents();
  }
 
  private void createComponents() {
    setHflex("1");
    getChildren().clear();
    if(!editing) {
      Button b = new Button(I_.get("Edit") + " " + caption, "/_zul/images/edit.png");
      b.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          setEditing(true);
        }
      });
      appendChild(b);
      html = new Html(value);
      appendChild(html);
    } else {
      Hbox h = new Hbox();
      h.setHflex("1");
      Button b = new Button(I_.get("Save") + " " + caption, "/_zul/images/save.png");
      b.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          value = editor.getValue();
          Events.postEvent(new Event(Events.ON_CHANGE, TextEditable.this));
          setEditing(false);
        }
      });
      h.appendChild(b);
      b = new Button(I_.get("Cancel"), null);
      b.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          setEditing(false);
        }
      });
      h.appendChild(b);
      appendChild(h);
      editor = new Textbox();
      editor.setHflex("1");
      editor.setRows(rows);
      editor.setValue(value);
      appendChild(editor);
    }
  }
 
}