Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.spreadsheet.ui / src / org / simantics / spreadsheet / ui / SelectionListener.java

diff --git a/bundles/org.simantics.spreadsheet.ui/src/org/simantics/spreadsheet/ui/SelectionListener.java b/bundles/org.simantics.spreadsheet.ui/src/org/simantics/spreadsheet/ui/SelectionListener.java
new file mode 100644 (file)
index 0000000..9fa35bf
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet.ui/src/org/simantics/spreadsheet/ui/SelectionListener.java
@@ -0,0 +1,123 @@
+package org.simantics.spreadsheet.ui;\r
+\r
+import javax.swing.JTable;\r
+import javax.swing.JTextField;\r
+import javax.swing.event.ListSelectionEvent;\r
+import javax.swing.event.ListSelectionListener;\r
+\r
+import org.eclipse.jface.viewers.StructuredSelection;\r
+import org.eclipse.swt.widgets.Display;\r
+import org.simantics.databoard.binding.mutable.Variant;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.spreadsheet.Adaptable;\r
+import org.simantics.spreadsheet.ClientModel;\r
+import org.simantics.spreadsheet.util.SpreadsheetUtils;\r
+import org.simantics.utils.ui.jface.ActiveSelectionProvider;\r
+import org.simantics.ui.selection.VariableWorkbenchSelectionElement;\r
+\r
+public class SelectionListener implements ListSelectionListener {\r
+\r
+       final JTable table;\r
+       final JTextField expression;\r
+       final ExpressionTextListener etl;\r
+       final ActiveSelectionProvider selectionProvider;\r
+       final Adaptable serverModel;\r
+       final ClientModel clientModel;\r
+\r
+       // It is necessary to keep the table since it is not possible\r
+       // to determine the table from the event's source\r
+       SelectionListener(JTable table, JTextField expression, ExpressionTextListener etl, ActiveSelectionProvider selectionProvider, Adaptable serverModel, ClientModel clientModel) {\r
+               assert(table != null);\r
+               assert(selectionProvider != null);\r
+               this.table = table;\r
+               this.expression = expression;\r
+               this.etl = etl;\r
+               this.selectionProvider = selectionProvider;\r
+               this.serverModel = serverModel;\r
+               this.clientModel = clientModel;\r
+       }\r
+\r
+       public void valueChanged(ListSelectionEvent e) {\r
+\r
+               final int[] selectedColumns = table.getSelectedColumns();\r
+               final int[] selectedRows = table.getSelectedRows();\r
+\r
+               if(selectedColumns.length == 1 && selectedRows.length == 1) {\r
+\r
+                       final TableSelection tableSelection = new TableSelection() {\r
+\r
+                               @Override\r
+                               public int[] getColumns() {\r
+                                       return selectedColumns;\r
+                               }\r
+\r
+                               @Override\r
+                               public int[] getRows() {\r
+                                       return selectedRows;\r
+                               }\r
+\r
+                       };\r
+\r
+                       final Variable sheet = serverModel.getAdapter(Variable.class);\r
+\r
+                       final Object cell = table.getValueAt(selectedRows[0], selectedColumns[0]);\r
+                       if(cell != null) {\r
+                               String expression = clientModel.getPossiblePropertyAt(SpreadsheetUtils.cellName(selectedRows[0], selectedColumns[0]), ClientModel.CONTENT_EXPRESSION);\r
+                               if(expression == null) {\r
+                                       Variant content = SpreadsheetUtils.getSafeClientVariant(clientModel, SpreadsheetUtils.cellName(selectedRows[0], selectedColumns[0]), ClientModel.CONTENT);\r
+                                       if(content != null)\r
+                                               expression =  content.getValue().toString();\r
+                                       else\r
+                                               expression = "";\r
+                               } else {\r
+                                       expression = "=" + expression;\r
+                               }\r
+                               if (this.etl != null) {\r
+                                       if(expression != null) {\r
+                                               SelectionListener.this.etl.setCell(expression, selectedRows[0], selectedColumns[0]);\r
+                                       } else {\r
+                                               SelectionListener.this.etl.setCell("", -1, -1);\r
+                                       }\r
+                               }\r
+\r
+                               Display.getDefault().asyncExec(new Runnable() {\r
+                                       @Override\r
+                                       public void run() {\r
+\r
+                                               if(sheet != null) {\r
+                                                       selectionProvider.setSelection(new StructuredSelection(new VariableWorkbenchSelectionElement(sheet)));\r
+                                               } else {\r
+                                                       selectionProvider.setSelection(new StructuredSelection(new Object[] { cell, "", tableSelection}));\r
+                                               }\r
+\r
+                                       }\r
+                               });\r
+                       } else {\r
+\r
+                               Display.getDefault().asyncExec(new Runnable() {\r
+\r
+                                       @Override\r
+                                       public void run() {\r
+\r
+                                               if(selectionProvider == null) return;\r
+\r
+                                               if(sheet != null) {\r
+                                                       selectionProvider.setSelection(new StructuredSelection(new Object[] { sheet, "", tableSelection}));\r
+                                               } else {\r
+                                                       selectionProvider.setSelection(new StructuredSelection(new Object[] { "", "", tableSelection}));\r
+                                               }\r
+\r
+                                       }\r
+\r
+                               });\r
+\r
+                       }\r
+               }\r
+\r
+               if (e.getValueIsAdjusting()) {\r
+                       // The mouse button has not yet been released\r
+               }\r
+\r
+       }\r
+\r
+}\r