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

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