bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/SWTDocumentClient.java

   1 package org.simantics.document.swt.core;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.HashMap;\r
   5 import java.util.HashSet;\r
   6 import java.util.Map;\r
   7 \r
   8 import org.eclipse.jface.layout.GridDataFactory;\r
   9 import org.eclipse.jface.layout.GridLayoutFactory;\r
  10 import org.eclipse.jface.viewers.ISelectionProvider;\r
  11 import org.eclipse.swt.graphics.Color;\r
  12 import org.eclipse.swt.graphics.Device;\r
  13 import org.eclipse.swt.graphics.Font;\r
  14 import org.eclipse.swt.widgets.Composite;\r
  15 import org.eclipse.swt.widgets.Control;\r
  16 import org.eclipse.ui.IWorkbenchSite;\r
  17 import org.simantics.db.common.utils.Logger;\r
  18 import org.simantics.document.server.JSONObject;\r
  19 import org.simantics.document.server.client.DocumentClient;\r
  20 import org.simantics.document.server.client.WidgetData;\r
  21 import org.simantics.document.server.client.WidgetMapping;\r
  22 import org.simantics.document.server.handler.AbstractEventHandler;\r
  23 import org.simantics.document.server.io.CommandContext;\r
  24 import org.simantics.document.swt.core.base.WidgetContainer;\r
  25 import org.simantics.document.swt.core.widget.FillComposite;\r
  26 import org.simantics.ui.colors.Colors;\r
  27 import org.simantics.ui.fonts.Fonts;\r
  28 import org.simantics.utils.threads.IThreadWorkQueue;\r
  29 import org.simantics.utils.threads.SWTThread;\r
  30 \r
  31 public class SWTDocumentClient extends DocumentClient implements SWTDocument {\r
  32 \r
  33         private Composite container;\r
  34         private IWorkbenchSite site;\r
  35         private ISelectionProvider selectionProvider;\r
  36         private Device device;\r
  37         private IThreadWorkQueue thread;\r
  38         private Map<org.simantics.datatypes.literal.RGB.Integer, Color> colors = new HashMap<org.simantics.datatypes.literal.RGB.Integer, Color>();\r
  39         private Map<org.simantics.datatypes.literal.Font, Font> fonts = new HashMap<org.simantics.datatypes.literal.Font, Font>();\r
  40 \r
  41         private boolean requireLayout=false;\r
  42 \r
  43         public SWTDocumentClient(WidgetMapping mapping, ISelectionProvider selectionProvider, IWorkbenchSite site, Composite container) {\r
  44                 \r
  45                 super(mapping, SWTViews.getCommandMapping());\r
  46                 \r
  47                 this.container = container;\r
  48                 this.site = site;\r
  49                 this.selectionProvider = selectionProvider;\r
  50                 this.device = container.getDisplay();\r
  51                 this.thread = SWTThread.getThreadAccess(container);\r
  52 \r
  53                 JSONObject rootObject = new JSONObject("root");\r
  54                 rootObject.addJSONField("type", "Root");\r
  55                 FillComposite mgr = new FillComposite();\r
  56                 WidgetContainer<?> wc = mgr.createWidget(rootObject); \r
  57                 wc.createControl(this, container, rootObject);\r
  58                 \r
  59                 GridDataFactory.fillDefaults().grab(true, true).minSize(1, 1).applyTo((Control)wc.getControl());\r
  60                 GridLayoutFactory.fillDefaults().applyTo((Composite)wc.getControl());\r
  61                 \r
  62                 widgetData.put("root", new WidgetData(this, wc, rootObject));\r
  63                 \r
  64         }\r
  65         \r
  66         @Override\r
  67         public IThreadWorkQueue thread() {\r
  68                 return thread;\r
  69         }\r
  70         \r
  71         @Override\r
  72         public Color getColor(org.simantics.datatypes.literal.RGB.Integer descriptor) {\r
  73                 Color color = colors.get(descriptor);\r
  74                 if(color == null) {\r
  75                         color = Colors.swt(device, descriptor);\r
  76                         colors.put(descriptor, color);\r
  77                 }\r
  78                 return color;\r
  79         }\r
  80         \r
  81         @Override\r
  82         public Font getFont(org.simantics.datatypes.literal.Font descriptor) {\r
  83                 Font font = fonts.get(descriptor);\r
  84                 if(font == null) {\r
  85                         font = Fonts.swt(device, descriptor);\r
  86                         fonts.put(descriptor, font);\r
  87                 }\r
  88                 return font;\r
  89         }\r
  90         \r
  91         @Override\r
  92         public ISelectionProvider getSelectionProvider() {\r
  93                 return selectionProvider;\r
  94         }\r
  95         \r
  96         @Override\r
  97         public IWorkbenchSite getSite() {\r
  98                 return site;\r
  99         }\r
 100         \r
 101         @Override\r
 102         public void post(final AbstractEventHandler handler, CommandContext parameters) {\r
 103                 handler.handle(parameters);\r
 104         }\r
 105 \r
 106         @Override\r
 107         protected void updateDocument(Collection<JSONObject> objects) {\r
 108                 assert thread.currentThreadAccess();\r
 109                 super.updateDocument(objects);\r
 110                 if(requireLayout) {\r
 111                         container.layout(true, true);\r
 112                         requireLayout = false;\r
 113                 }\r
 114         }\r
 115 \r
 116         @Override\r
 117         protected void updateTree(HashSet<WidgetData> updates) {\r
 118                 \r
 119                 if(updates.isEmpty()) return;\r
 120                 \r
 121                 for(WidgetData data : updates) {\r
 122                         WidgetContainer<?> container = (WidgetContainer<?>)data.widget;\r
 123                         Control ctrl = container.getControl();\r
 124                         if (ctrl == null || ctrl.isDisposed())\r
 125                                 continue;\r
 126                         if(ctrl instanceof Composite) {\r
 127                                 Composite composite = (Composite)ctrl;\r
 128                                 for(Control c : composite.getChildren()) {\r
 129                                         c.dispose();\r
 130                                 }\r
 131                         }\r
 132                 }\r
 133                 \r
 134                 super.updateTree(updates);\r
 135                 \r
 136                 for(WidgetData data : widgetData.values()) {\r
 137                         WidgetContainer<?> container = (WidgetContainer<?>)data.widget;\r
 138                         if(container != null)\r
 139                             container.getOrCreateControl(this, data.object);\r
 140                 }\r
 141                 \r
 142         }\r
 143         \r
 144         @Override\r
 145         public void layout() {\r
 146                 requireLayout = true;\r
 147         }\r
 148         \r
 149     @Override\r
 150     public HashMap<String, WidgetData> getWidgetData() {\r
 151         return widgetData;\r
 152     }\r
 153     \r
 154     public void displayError(String error) {\r
 155         Logger.defaultLogError(error);\r
 156     }\r
 157         \r
 158 }\r