org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/filter/FilterDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2013 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.filter;
  14
  15 import org.eclipse.jface.dialogs.Dialog;
  16 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  17 import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;
  18 import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterNode;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.widgets.Composite;
  21 import org.eclipse.swt.widgets.Control;
  22 import org.eclipse.swt.widgets.Shell;
  23
  24 /**
  25  * The dialog for user-defined filters.
  26  *
  27  * @version 1.0
  28  * @author Patrick Tasse
  29  */
  30 public class FilterDialog extends Dialog {
  31
  32     TmfFilterNode fRoot;
  33     FilterViewer fViewer;
  34
  35     /**
  36      * Constructor.
  37      *
  38      * @param shell
  39      *            The shell to which this dialog is attached
  40      */
  41     public FilterDialog(Shell shell) {
  42         super(shell);
  43         setShellStyle(getShellStyle() | SWT.RESIZE | SWT.MAX);
  44     }
  45
  46     @Override
  47     protected Control createDialogArea(Composite parent) {
  48         getShell().setText(Messages.FilterDialog_FilterDialogTitle);
  49         getShell().setMinimumSize(getShell().computeSize(500, 200));
  50         Composite composite = (Composite) super.createDialogArea(parent);
  51
  52         fViewer = new FilterViewer(composite, SWT.BORDER);
  53         fViewer.setInput(fRoot);
  54         return composite;
  55     }
  56
  57     /**
  58      * @param filter
  59      *            the filter to set
  60      */
  61     public void setFilter(ITmfFilterTreeNode filter) {
  62         fRoot = new TmfFilterNode(null);
  63         if (filter != null) {
  64             fRoot.addChild(filter.clone());
  65         }
  66         if (fViewer != null) {
  67             fViewer.setInput(fRoot);
  68         }
  69     }
  70
  71     /**
  72      * @return the filter
  73      */
  74     public ITmfFilterTreeNode getFilter() {
  75         if (fRoot != null && fRoot.hasChildren()) {
  76             return fRoot.getChild(0).clone();
  77         }
  78         return null;
  79     }
  80
  81 }