1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates.
   3  * All rights reserved. Use is subject to license terms.
   4  *
   5  * This file is available and licensed under the following license:
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  *  - Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *  - Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the distribution.
  16  *  - Neither the name of Oracle Corporation nor the names of its
  17  *    contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 
  33 package com.oracle.javafx.scenebuilder.kit.editor;
  34 
  35 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMAssetIndex;
  36 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMDocument;
  37 import com.oracle.javafx.scenebuilder.kit.util.FileWatcher;
  38 import java.nio.file.Path;
  39 import java.util.Collection;
  40 import java.util.Collections;
  41 import java.util.Locale;
  42 import javafx.application.Platform;
  43 
  44 /**
  45  *
  46  */
  47 class WatchingController implements FileWatcher.Delegate {
  48 
  49     private final EditorController editorController;
  50     private final FileWatcher fileWatcher
  51             = new FileWatcher(2000 /*ms*/, this,  EditorController.class.getSimpleName());
  52 
  53     public WatchingController(EditorController editorController) {
  54         this.editorController = editorController;
  55     }
  56 
  57     public void fxomDocumentDidChange() {
  58         updateFileWatcher();
  59     }
  60 
  61     public void jobManagerRevisionDidChange() {
  62         updateFileWatcher();
  63     }
  64 
  65     public void start() {
  66         fileWatcher.start();
  67     }
  68 
  69     public void stop() {
  70         fileWatcher.stop();
  71     }
  72 
  73     public boolean isStarted() {
  74         return fileWatcher.isStarted();
  75     }
  76 
  77     /*
  78      * FileWatcher.Delegate
  79      */
  80 
  81     @Override
  82     public void fileWatcherDidWatchTargetCreation(Path target) {
  83         assert Platform.isFxApplicationThread();
  84         updateEditorController("file.watching.file.created", target); //NOI18N
  85     }
  86 
  87     @Override
  88     public void fileWatcherDidWatchTargetDeletion(Path target) {
  89         assert Platform.isFxApplicationThread();
  90         updateEditorController("file.watching.file.deleted", target); //NOI18N
  91     }
  92 
  93     @Override
  94     public void fileWatcherDidWatchTargetModification(Path target) {
  95         assert Platform.isFxApplicationThread();
  96         updateEditorController("file.watching.file.modified", target); //NOI18N
  97     }
  98 
  99 
 100     /*
 101      * Private
 102      */
 103 
 104     private void updateFileWatcher() {
 105 
 106         final FXOMDocument fxomDocument = editorController.getFxomDocument();
 107         final Collection<Path> targets;
 108         if (fxomDocument == null) {
 109             targets = Collections.emptyList();
 110         } else {
 111             final FXOMAssetIndex assetIndex = new FXOMAssetIndex(fxomDocument);
 112             targets = assetIndex.getFileAssets().keySet();
 113         }
 114         fileWatcher.setTargets(targets);
 115     }
 116 
 117     private void updateEditorController(String messageKey, Path target) {
 118         final String targetFileName = target.getFileName().toString();
 119         editorController.getMessageLog().logInfoMessage(messageKey, targetFileName);
 120         editorController.getErrorReport().forget();
 121         if (targetFileName.toLowerCase(Locale.ROOT).endsWith(".css")) { //NOI18N
 122             editorController.getErrorReport().cssFileDidChange(target);
 123             editorController.getFxomDocument().reapplyCSS(target);
 124         } else {
 125             editorController.getFxomDocument().refreshSceneGraph();
 126         }
 127     }
 128 }