TasksChooserDialog.java :  » Project-Management » Activity-Manager » jfb » tools » activitymgr » ui » dialogs » Java Open Source

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Activity Manager » jfb » tools » activitymgr » ui » dialogs » TasksChooserDialog.java
/*
 * Copyright (c) 2004-2006, Jean-Franois Brazeau. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 * 
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIEDWARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package jfb.tools.activitymgr.ui.dialogs;

import jfb.tools.activitymgr.core.beans.Task;

import org.apache.log4j.Logger;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TreeItem;

public class TasksChooserDialog extends AbstractDialog implements MouseListener {

  /** Logger */
  private static Logger log = Logger.getLogger(TasksChooserDialog.class);

  /** Arbre contenant la liste des tches */
  private TasksChooserTree tasksTree;

  /** Valideur */
  private ITaskChooserValidator validator;
  
  /**
   * Constructeur par dfaut.
   * @param parentShell shell parent.
   */
  public TasksChooserDialog(Shell parentShell) {
    super(parentShell, "Choose a task", null, null);
    setShellStyle(SWT.RESIZE | SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
  }

  /* (non-Javadoc)
   * @see jfb.tools.activitymgr.ui.util.AbstractDialog#validateUserEntry()
   */
  protected Object validateUserEntry() throws DialogException {
    log.debug("validateUserEntry");
    TreeItem[] selection = tasksTree.getTreeViewer().getTree().getSelection();
    Task selectedTask = null;
    if (selection.length>0)
      selectedTask = (Task) selection[0].getData();
    log.debug("Selected task = " + selectedTask);
    if (selectedTask==null)
      throw new DialogException("Please choose a task", null);
    if (validator!=null)
      validator.validateChoosenTask(selectedTask);
    // Validation du choix de la tache
    return selectedTask;
  }
  
  /* (non-Javadoc)
   * @see jfb.tools.activitymgr.ui.util.AbstractDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
   */
  protected Control createDialogArea(Composite parent) {
    Composite c = (Composite) super.createDialogArea(parent);
    tasksTree = new TasksChooserTree(c);
    TreeViewer viewer = tasksTree.getTreeViewer();
    viewer.getTree().addMouseListener(this);
    Task lastValue = (Task) getValue();
    if (lastValue!=null) {
      viewer.setSelection(new StructuredSelection(lastValue));
    }
    return c;
  }

  /* (non-Javadoc)
   * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
   */
  public void mouseDoubleClick(MouseEvent e) {
    okPressed();
  }

  /* (non-Javadoc)
   * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
   */
  public void mouseDown(MouseEvent e) {
  }

  /* (non-Javadoc)
   * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
   */
  public void mouseUp(MouseEvent e) {
  }

  /**
   * @param validator le nouveau valideur.
   */
  public void setValidator(ITaskChooserValidator validator) {
    this.validator = validator;
  }


  
}
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