archive/net.sourceforge.phpeclipse.html.ui/src/net/sourceforge/phpeclipse/html/ui/internal/preview/HTMLPreviewPage.java

   1 /*
   2  * Copyright (c) 2004 Christopher Lenz and others
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     Christopher Lenz - initial implementation
  10  *
  11  * $Id: HTMLPreviewPage.java,v 1.1 2004-09-02 18:13:31 jsurfer Exp $
  12  */
  13
  14 package net.sourceforge.phpeclipse.html.ui.internal.preview;
  15
  16 import java.net.URL;
  17
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.browser.Browser;
  20 import org.eclipse.swt.browser.LocationAdapter;
  21 import org.eclipse.swt.browser.LocationEvent;
  22 import org.eclipse.swt.layout.FillLayout;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Control;
  25 import org.eclipse.ui.part.Page;
  26 import org.eclipse.ui.texteditor.IUpdate;
  27
  28 import net.sourceforge.phpeclipse.ui.views.preview.IBrowserPreviewPage;
  29
  30 /**
  31  * Provides a HTML preview page based on the SWT browser control.
  32  */
  33 public class HTMLPreviewPage extends Page
  34         implements IBrowserPreviewPage, IUpdate {
  35
  36         // Instance Variables ------------------------------------------------------
  37
  38         /** The browser widget. */
  39         private Browser browser;
  40
  41         /** The URL of the resource to preview. */
  42         private URL location;
  43
  44         // Constructors ------------------------------------------------------------
  45
  46         /**
  47          * Constructor.
  48          *
  49          * @param location the URL of the resource to preview
  50          */
  51         public HTMLPreviewPage(URL location) {
  52                 this.location = location;
  53         }
  54
  55         // IPage Implementation ----------------------------------------------------
  56
  57         /*
  58          * @see org.eclipse.ui.part.IPage#createControl(Composite)
  59          */
  60         public void createControl(Composite parent) {
  61                 browser = new Browser(parent, SWT.NONE);
  62                 browser.setLayout(new FillLayout());
  63                 browser.setUrl(location.toString());
  64                 browser.addLocationListener(new LocationAdapter() {
  65                         public void changing(LocationEvent event) {
  66                                 if (event.location != null) {
  67                                         event.doit = false;
  68                                 }
  69                         }
  70                 });
  71         }
  72
  73         /*
  74          * @see org.eclipse.ui.part.IPage#getControl()
  75          */
  76         public Control getControl() {
  77                 return browser;
  78         }
  79
  80         /*
  81          * @see org.eclipse.ui.part.IPage#setFocus()
  82          */
  83         public void setFocus() {
  84                 browser.setFocus();
  85         }
  86
  87         // IUpdate Implementation --------------------------------------------------
  88
  89         /*
  90          * @see IUpdate#update()
  91          */
  92         public void update() {
  93                 browser.refresh();
  94         }
  95
  96 }