UI for diagram element selection

[simantics/district.git] / org.simantics.district.selection.ui / src / org / simantics / district / selection / ui / parts / ElementSelectionView.java

diff --git a/org.simantics.district.selection.ui/src/org/simantics/district/selection/ui/parts/ElementSelectionView.java b/org.simantics.district.selection.ui/src/org/simantics/district/selection/ui/parts/ElementSelectionView.java
new file mode 100644 (file)
index 0000000..1cddde9
--- /dev/null
+++ b/org.simantics.district.selection.ui/src/org/simantics/district/selection/ui/parts/ElementSelectionView.java
@@ -0,0 +1,100 @@
+package org.simantics.district.selection.ui.parts;
+
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+
+import org.eclipse.e4.ui.di.Focus;
+import org.eclipse.e4.ui.model.application.MApplication;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.model.application.ui.menu.MHandledToolItem;
+import org.eclipse.e4.ui.model.application.ui.menu.MMenuContribution;
+import org.eclipse.e4.ui.model.application.ui.menu.MMenuFactory;
+import org.eclipse.e4.ui.model.application.ui.menu.MPopupMenu;
+import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
+import org.eclipse.e4.ui.model.application.ui.menu.MToolBarElement;
+import org.eclipse.e4.ui.services.EMenuService;
+import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.simantics.district.selection.ElementSelector;
+import org.simantics.district.selection.ui.ElementSelectorTableUI;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ElementSelectionView {
+       private static final String CONTEXT_MENU_ID = "org.simantics.district.selection.ui.contextMenu";
+       private static final String POPUP_ID = "org.simantics.district.selection.ui.selectiontable.popup";
+       private static final String CREATE_NEW_ID = "org.simantics.district.selection.ui.command.createNewSelection";
+       private static final String CREATE_NEW_LABEL = "Create New Element Selection Query";
+       private static final String CREATE_NEW_ICON = "platform:/plugin/com.famfamfam.silk/icons/add.png";
+       private static final String EDIT_ID = "org.simantics.district.selection.ui.command.editElementSelector";
+       private static final String EDIT_LABEL = "Edit Element Selection Query";
+       private static final String EDIT_ICON = "platform:/plugin/com.famfamfam.silk/icons/pencil.png";
+       private static final String DELETE_ID = "org.simantics.district.selection.ui.command.deleteElementSelector";
+       private static final String DELETE_LABEL = "Delete Element Selection Query";
+       private static final String DELETE_ICON = "platform:/plugin/com.famfamfam.silk/icons/cross.png";
+       
+       private static final Logger LOGGER = LoggerFactory.getLogger(ElementSelectionView.class);
+
+       private ElementSelectorTableUI table;
+
+       @Inject
+       private ESelectionService selectionService;
+
+       @Inject
+       public void init(MPart part, MApplication app) {
+               // Command is contributed via fragment
+               MHandledToolItem createItem = MMenuFactory.INSTANCE.createHandledToolItem();
+               createItem.setCommand(app.getCommand(CREATE_NEW_ID));
+               createItem.setLabel(CREATE_NEW_LABEL);
+               createItem.setIconURI(CREATE_NEW_ICON);
+               MHandledToolItem editItem = MMenuFactory.INSTANCE.createHandledToolItem();
+               editItem.setCommand(app.getCommand(EDIT_ID));
+               editItem.setLabel(EDIT_LABEL);
+               editItem.setIconURI(EDIT_ICON);
+               MHandledToolItem deleteItem = MMenuFactory.INSTANCE.createHandledToolItem();
+               deleteItem.setCommand(app.getCommand(DELETE_ID));
+               deleteItem.setLabel(DELETE_LABEL);
+               deleteItem.setIconURI(DELETE_ICON);
+               
+               MToolBar toolBar = MMenuFactory.INSTANCE.createToolBar();
+               toolBar.setToBeRendered(true);
+               
+               List<MToolBarElement> children = toolBar.getChildren();
+               children.add(createItem);
+               children.add(editItem);
+               children.add(deleteItem);
+               
+               part.setToolbar(toolBar);
+
+               MPopupMenu popupMenu = MMenuFactory.INSTANCE.createPopupMenu();
+               popupMenu.setElementId(POPUP_ID);
+
+               List<MMenuContribution> menuContributions = app.getMenuContributions();
+               for (MMenuContribution menuContribution : menuContributions) {
+                       if (CONTEXT_MENU_ID.equals(menuContribution.getParentId())) {
+                               popupMenu.getChildren().addAll(menuContribution.getChildren());
+                       }
+               }
+
+               part.getMenus().add(popupMenu);
+       }
+
+       @PostConstruct
+       public void createPartControl(Composite parent, EMenuService menuService) {
+               table = new ElementSelectorTableUI(selectionService, parent, SWT.BORDER);
+               if (!(menuService.registerContextMenu(this.table.getTree(), POPUP_ID)))
+                       LOGGER.warn("Could not register context menu {}", POPUP_ID);
+       }
+
+       @Focus
+       public void setFocus() {
+               table.setFocus();
+       }
+
+       public ElementSelector getSelectedItem() {
+               return table.getSelectedItem();
+       }
+}