gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.sysdyn.ui.elements2;\r
  13 \r
  14 import java.awt.Color;\r
  15 import java.awt.Font;\r
  16 import java.awt.geom.AffineTransform;\r
  17 \r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.WriteGraph;\r
  20 import org.simantics.db.common.request.WriteRequest;\r
  21 import org.simantics.db.exception.DatabaseException;\r
  22 import org.simantics.diagram.elements.ITextListener;\r
  23 import org.simantics.diagram.elements.TextElementNoBounds;\r
  24 import org.simantics.diagram.elements.TextNode;\r
  25 import org.simantics.g2d.diagram.DiagramUtils;\r
  26 import org.simantics.g2d.diagram.IDiagram;\r
  27 import org.simantics.g2d.element.ElementHints;\r
  28 import org.simantics.g2d.element.ElementUtils;\r
  29 import org.simantics.g2d.element.IElement;\r
  30 import org.simantics.g2d.utils.Alignment;\r
  31 import org.simantics.modeling.ModelingResources;\r
  32 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  33 import org.simantics.sysdyn.ui.utils.VariableNameUtils;\r
  34 import org.simantics.ui.SimanticsUI;\r
  35 import org.simantics.utils.datastructures.Callback;\r
  36 import org.simantics.utils.datastructures.hints.IHintListener;\r
  37 import org.simantics.utils.datastructures.hints.IHintObservable;\r
  38 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  39 \r
  40 /**\r
  41  * ElementHandler for text elements\r
  42  * In-line editing supported.\r
  43  * \r
  44  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  45  */\r
  46 public class HoverTextElementNoBounds extends TextElementNoBounds {\r
  47 \r
  48         private static final long serialVersionUID = -148784588840819612L;\r
  49 \r
  50         public static final HoverTextElementNoBounds INSTANCE         = new HoverTextElementNoBounds();\r
  51 \r
  52         private IHintListener hoverHintListener;\r
  53 \r
  54         public HoverTextElementNoBounds() {\r
  55                 super(0, 0, Alignment.LEADING, 0);\r
  56         }\r
  57 \r
  58         public HoverTextElementNoBounds(double originX, double originY, Alignment horizontalAlignment) {\r
  59                 super(originX, originY, horizontalAlignment, 0);\r
  60         }\r
  61 \r
  62         public HoverTextElementNoBounds(double originX, double originY, Alignment horizontalAlignment, double borderWidth) {\r
  63                 super(originX, originY, horizontalAlignment, borderWidth);\r
  64         }\r
  65 \r
  66         public HoverTextElementNoBounds(double originX, double originY, Alignment horizontalAlignment, double borderWidth, double paddingX, double paddingY, boolean editable) {\r
  67                 super(originX, originY, horizontalAlignment, borderWidth, paddingX, paddingY, editable);\r
  68         }\r
  69 \r
  70         @Override\r
  71         public void init(final IElement e, G2DParentNode parent) {\r
  72                 HoverTextNode node = ElementUtils.getOrCreateNode(e, parent, SG_NODE, "text", HoverTextNode.class, new Callback<HoverTextNode>() {\r
  73                         @Override\r
  74                         public void run(HoverTextNode node) {\r
  75                                 node.setTextListener(new ITextListener() {\r
  76 \r
  77                                         String textBeforeEdit;\r
  78                                         Resource component;\r
  79 \r
  80                                         @Override\r
  81                                         public void textChanged() {\r
  82                                                 TextNode node = (TextNode) e.getHint(SG_NODE);\r
  83                                                 if(!VariableNameUtils.isValid(component, node.getText(), false)) {\r
  84                                                         node.setColor(Color.RED);\r
  85                                                 } else {\r
  86                                                         node.setColor(Color.BLACK);\r
  87                                                 }\r
  88 \r
  89 \r
  90                                         }\r
  91 \r
  92                                         @Override\r
  93                                         public void textEditingStarted() {\r
  94                                                 TextNode node = (TextNode) e.getHint(SG_NODE);\r
  95                                                 textBeforeEdit = node.getText();\r
  96 \r
  97                                                 if(component != null) return;\r
  98                                                 \r
  99                                                 Object o = e.getHint(ElementHints.KEY_OBJECT);\r
 100                                                 if(o != null && o instanceof Resource) {\r
 101                                                         final Resource element = (Resource)o;\r
 102                                                         SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
 103 \r
 104                                                                 @Override\r
 105                                                                 public void perform(WriteGraph graph) throws DatabaseException {\r
 106                                                                         component = graph.getPossibleObject(element, ModelingResources.getInstance(graph).ElementToComponent);\r
 107                                                                 }\r
 108                                                         });\r
 109                                                 }\r
 110                                         }\r
 111 \r
 112                                         @Override\r
 113                                         public void textEditingCancelled() {\r
 114                                                 TextNode node = (TextNode) e.getHint(SG_NODE);\r
 115                                                 if (node != null) {\r
 116                                                         if(VariableNameUtils.isValid(component, node.getText(), false))\r
 117                                                                 node.setColor(Color.BLACK);\r
 118                                                         endEdit(node);\r
 119                                                 }\r
 120                                         }\r
 121 \r
 122                                         @Override\r
 123                                         public void textEditingEnded() {\r
 124                                                 TextNode node = (TextNode) e.getHint(SG_NODE);\r
 125                                                 if (node == null)\r
 126                                                         return;\r
 127                                                 String text = node.getText();\r
 128                                                 if(!VariableNameUtils.isValid(component, text, false)) {\r
 129                                                         text = textBeforeEdit;\r
 130                                                         node.setText(text);\r
 131                                                         if(VariableNameUtils.isValid(component, text, false))\r
 132                                                                 node.setColor(Color.BLACK);\r
 133                                                 } else {\r
 134                                                         Object o = e.getHint(ElementHints.KEY_OBJECT);\r
 135                                                         final String textAfterEdit = text;\r
 136                                                         if(o != null && o instanceof Resource) {\r
 137                                                                 SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
 138                                                                         @Override\r
 139                                                                         public void perform(WriteGraph graph) throws DatabaseException {\r
 140                                                                                 VariableNameUtils.renameInEquations(graph, component, textBeforeEdit, textAfterEdit);\r
 141                                                                         }\r
 142                                                                 });\r
 143                                                         }\r
 144                                                 }\r
 145                                                 ElementUtils.setText(e, text);\r
 146                                                 IDiagram diagram = ElementUtils.getDiagram(e);\r
 147                                                 DiagramUtils.synchronizeHintsToBackend(diagram, e);\r
 148                                                 endEdit(node);\r
 149                                         }\r
 150                                 });\r
 151                         }\r
 152                 });\r
 153 \r
 154                 //Font font = new Font("Tahoma", 0, 12);\r
 155                 Font font = ElementUtils.getTextFont(e);\r
 156                 Color color = ElementUtils.getTextColor(e);\r
 157                 Color fillColor = ElementUtils.getFillColor(e);\r
 158                 Color borderColor = ElementUtils.getBorderColor(e, Color.BLACK);\r
 159                 String text = ElementUtils.getText(e);\r
 160                 AffineTransform at = ElementUtils.getTransform(e);\r
 161                 node.init(text, font, color, originX, originY, 0.235);\r
 162                 node.setBackgroundColor(fillColor);\r
 163                 node.setBorderColor(borderColor);\r
 164                 node.setHorizontalAlignment((byte) horizontalAlignment.ordinal());\r
 165                 node.setPadding(paddingX, paddingY);\r
 166                 node.setBorderWidth((float) borderWidth);\r
 167                 node.setEditable(editable);\r
 168                 if(at != null)\r
 169                         node.setTransform(at);\r
 170 \r
 171                 this.hoverHintListener = new IHintListener() {\r
 172                         @Override\r
 173                         public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {\r
 174 \r
 175                         }\r
 176 \r
 177                         @Override\r
 178                         public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {\r
 179                                 if(key == ElementHints.KEY_HOVER) {\r
 180                                         IElement e = (IElement)sender;\r
 181                                         TextNode name = (TextNode) e.getHint(SG_NODE);\r
 182                                         if(name != null)\r
 183                                                 name.setHover(Boolean.TRUE.equals(e.getHint(ElementHints.KEY_HOVER)));\r
 184                                 }\r
 185                         }\r
 186                 };\r
 187                 e.addHintListener(hoverHintListener);\r
 188         }\r
 189 \r
 190         @Override\r
 191         public void cleanup(IElement e) {\r
 192                 if(hoverHintListener != null)\r
 193                         e.removeHintListener(hoverHintListener);\r
 194                 ElementUtils.removePossibleNode(e, SG_NODE);\r
 195         }\r
 196 }