bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/Explorer.java

   1 package org.simantics.document.swt.core.widget;\r
   2 \r
   3 import java.util.Collections;\r
   4 import java.util.HashMap;\r
   5 import java.util.Map;\r
   6 \r
   7 import org.eclipse.jface.viewers.ISelection;\r
   8 import org.eclipse.jface.viewers.ISelectionProvider;\r
   9 import org.eclipse.swt.SWT;\r
  10 import org.eclipse.swt.widgets.Composite;\r
  11 import org.eclipse.swt.widgets.Event;\r
  12 import org.eclipse.swt.widgets.Listener;\r
  13 import org.eclipse.swt.widgets.Tree;\r
  14 import org.eclipse.ui.IWorkbenchSite;\r
  15 import org.simantics.Simantics;\r
  16 import org.simantics.browsing.ui.Column;\r
  17 import org.simantics.browsing.ui.Column.Align;\r
  18 import org.simantics.browsing.ui.StatePersistor;\r
  19 import org.simantics.browsing.ui.swt.InputSourceImpl;\r
  20 import org.simantics.browsing.ui.swt.widgets.DragSourceListenerFactory;\r
  21 import org.simantics.browsing.ui.swt.widgets.ModelBrowser;\r
  22 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupportImpl;\r
  23 import org.simantics.db.layer0.variable.VariableBean;\r
  24 import org.simantics.db.management.ISessionContext;\r
  25 import org.simantics.document.server.JSONObject;\r
  26 import org.simantics.document.swt.core.SWTDocument;\r
  27 import org.simantics.document.swt.core.SWTViews;\r
  28 import org.simantics.document.swt.core.base.LeafWidgetManager;\r
  29 import org.simantics.document.swt.core.base.WidgetContainer;\r
  30 import org.simantics.document.swt.core.bean.ColumnBean;\r
  31 import org.simantics.document.swt.core.bean.ColumnsBean;\r
  32 import org.simantics.scl.runtime.function.Function1;\r
  33 import org.simantics.ui.selection.WorkbenchSelectionUtils;\r
  34 \r
  35 public class Explorer extends LeafWidgetManager<ModelBrowser> {\r
  36 \r
  37         @Override\r
  38         protected void doUpdateProperties(SWTDocument document, ModelBrowser control, JSONObject object) {\r
  39                 //                      String text = object.getField("text");\r
  40                 //                      control.setText(text);\r
  41         }\r
  42 \r
  43         protected Column[] getColumns(ColumnsBean bean) {\r
  44                 Column[] result = new Column[bean.columns.length];\r
  45                 for(int i=0;i<bean.columns.length;i++) {\r
  46                         ColumnBean cb = bean.columns[i];\r
  47                         result[i] = new Column(cb.key, cb.label, Align.valueOf(cb.alignment), cb.width, cb.tooltip, cb.grab, cb.weight);\r
  48                 }\r
  49                 return result;\r
  50         }\r
  51         \r
  52         @Override\r
  53         protected ModelBrowser doCreateControl(SWTDocument document, Composite parent, JSONObject object) {\r
  54                 \r
  55                 String browseContext = object.getJSONField("browseContext");\r
  56                 if(browseContext == null) return null;\r
  57 \r
  58                 String contextMenuId = object.getJSONField("contextMenuId");\r
  59                 \r
  60                 Boolean displayFilter = object.getJSONField("displayFilter");\r
  61                 Boolean displayHeader = object.getJSONField("displayHeader");\r
  62                 Integer style = object.getJSONField("style");\r
  63                 if(style == null) style = SWT.FULL_SELECTION;\r
  64                 \r
  65         Boolean vscroll = object.getJSONFieldDefault("VScroll", false);\r
  66         if(Boolean.TRUE.equals(vscroll))\r
  67             style |= SWT.V_SCROLL;\r
  68         \r
  69         Boolean hscroll = object.getJSONFieldDefault("HScroll", false);\r
  70         if(Boolean.TRUE.equals(hscroll))\r
  71             style |= SWT.H_SCROLL;\r
  72 \r
  73         Boolean noscroll = object.getJSONFieldDefault("NoScroll", false);\r
  74         if(Boolean.TRUE.equals(noscroll))\r
  75             style |= SWT.NO_SCROLL;\r
  76                 \r
  77                 StatePersistor persistor = object.getJSONField("persistor");\r
  78                 final Function1<Object, Boolean> selectionListener = object.getJSONField("selectionListener");\r
  79 \r
  80                 DragSourceListenerFactory dragSourceListenerFactory = object.getJSONField("dragSourceListenerFactory");\r
  81                 \r
  82                 final IWorkbenchSite site = document.getSite();\r
  83                 final ISelectionProvider selectionProvider = document.getSelectionProvider();\r
  84 \r
  85                 Map<String, Object> args = new HashMap<String, Object>();\r
  86                 args.put("displaySelectors", Boolean.FALSE);\r
  87                 args.put("displayFilter", displayFilter != null ? displayFilter : Boolean.FALSE);\r
  88 \r
  89 //              GridLayoutFactory.fillDefaults().applyTo(parent);\r
  90 \r
  91                 ColumnsBean columns = object.getBeanJSONFieldDefault("columns", ColumnsBean.BINDING, null);\r
  92                 String editingColumn = object.getJSONFieldDefault("editingColumn", null);\r
  93                 \r
  94 //              Column[] COLUMNS = new Column[] {\r
  95 //                              new Column("HasDisplayProperty", "Parameter description", Align.LEFT, 80, "Input parameter name", true),\r
  96 //                              new Column("HasDisplayValue", "Value", Align.RIGHT, 65, "Value"),\r
  97 //                              new Column("HasDisplayUnit", "Unit", Align.RIGHT, 100, "Unit") \r
  98 //              };\r
  99                 \r
 100 //              parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_RED));\r
 101                 \r
 102                 final ModelBrowser control = new ModelBrowser(Collections.singleton(browseContext), args, site, parent, new WidgetSupportImpl(), style);\r
 103 \r
 104                 Tree tree = control.getExplorerControl();\r
 105                 tree.addListener(SWT.SetData, new Listener() {\r
 106                         \r
 107                         @Override\r
 108                         public void handleEvent(Event event) {\r
 109                                 SWTViews.notifyScrolledComposite(control);\r
 110                         }\r
 111                         \r
 112                 });\r
 113                 \r
 114                 if(columns != null)\r
 115                         control.setColumns(getColumns(columns));\r
 116                 if(editingColumn != null)\r
 117                         control.setEditingColumn(editingColumn);\r
 118                 if(contextMenuId != null)\r
 119                         control.setContextMenuId(contextMenuId);\r
 120                 if(dragSourceListenerFactory != null)\r
 121                         control.setDragSourceListenerFactory(dragSourceListenerFactory);\r
 122                 if(displayHeader != null)\r
 123                         tree.setHeaderVisible(displayHeader);\r
 124                 \r
 125                 control.setStatePersistor(persistor);\r
 126 \r
 127                 control.finish();\r
 128                 \r
 129                 control.setInputSource(new InputSourceImpl<Object>() {\r
 130 \r
 131                         @Override\r
 132                         public Object get(ISessionContext ctx, Object selection) {\r
 133                                 return selection;\r
 134                         }\r
 135 \r
 136                 });\r
 137                 \r
 138                 // TODO: fixme!\r
 139                 Object i = object.getJSONField("explorerInput");\r
 140                 if(i instanceof VariableBean) {\r
 141                         control.setInput(Simantics.getSessionContext(), ((VariableBean)i).getVariable());\r
 142                 } else {\r
 143                         control.setInput(Simantics.getSessionContext(), i);\r
 144                 }\r
 145                 \r
 146                 control.addListenerToControl(SWT.Selection, new Listener() {\r
 147 \r
 148                         @Override\r
 149                         public void handleEvent(Event event) {\r
 150 \r
 151                                 if(selectionListener != null)\r
 152                                         selectionListener.apply(event);\r
 153                                 \r
 154                                 ISelection selection = (ISelection)control.getExplorer().getWidgetSelection();\r
 155                                 \r
 156                                 // TODO: refactor this!\r
 157 \r
 158                                 if(selectionProvider != null) {\r
 159                                         selectionProvider.setSelection(selection);\r
 160                                 }\r
 161                                 \r
 162 //                              if (site != null) {\r
 163 //                                      ISelectionProvider sp = site.getSelectionProvider();\r
 164 //                                      if (sp != null) {\r
 165 //                                              sp.setSelection(selection);\r
 166 //                                      }\r
 167 //                              }\r
 168 \r
 169                         }\r
 170 \r
 171                 });     \r
 172 \r
 173                 return control;\r
 174 \r
 175         }\r
 176         \r
 177         @Override\r
 178         public String getProperty(SWTDocument document, JSONObject object, WidgetContainer<ModelBrowser> widget, String property) {\r
 179             if("selection".equals(property)) {\r
 180             ISelection selection = (ISelection)widget.getControl().getExplorer().getWidgetSelection();\r
 181             return SWTViews.encode(object, property, WorkbenchSelectionUtils.getWorkbenchSelectionElements(selection));\r
 182             }\r
 183             return null;\r
 184         }\r
 185 \r
 186 }\r