-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.modeling.ui.diagramEditor;\r
-\r
-import java.awt.geom.Point2D;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.function.Consumer;\r
-\r
-import org.eclipse.jface.action.IStatusLineManager;\r
-import org.eclipse.jface.resource.ImageDescriptor;\r
-import org.eclipse.jface.resource.JFaceResources;\r
-import org.eclipse.jface.resource.ResourceManager;\r
-import org.eclipse.swt.graphics.Image;\r
-import org.eclipse.swt.widgets.Control;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.eclipse.ui.IWorkbenchPart;\r
-import org.simantics.databoard.util.ObjectUtils;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.common.procedure.adapter.ProcedureAdapter;\r
-import org.simantics.db.common.request.BinaryRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
-import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;\r
-import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil;\r
-import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil.TerminalInfo;\r
-import org.simantics.g2d.participant.TransformUtil;\r
-import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
-import org.simantics.scenegraph.g2d.events.KeyEvent;\r
-import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;\r
-import org.simantics.ui.SimanticsUI;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-import org.simantics.utils.ui.SWTUtils;\r
-import org.simantics.utils.ui.workbench.WorkbenchUtils;\r
-\r
-/**\r
- * Shows information about the terminal under the mouse in the Workbench status\r
- * line.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class TerminalInformer extends AbstractDiagramParticipant {\r
-\r
- public static interface TerminalNamingStrategy {\r
- String getName(ReadGraph graph, TerminalInfo info) throws DatabaseException;\r
- }\r
-\r
- /**\r
- * If this hint is not set or set to <code>false</code>, this participant\r
- * will show terminal information in the status bar.\r
- */\r
- public static final Key TERMINAL_INFO_DISABLED = new KeyOf(Boolean.class);\r
-\r
- @Dependency\r
- protected PointerInteractor pointerInteractor;\r
-\r
- Control control;\r
- transient Display display;\r
- IStatusLineManager statusLine;\r
- ImageDescriptor currentImage;\r
-\r
- @Dependency\r
- TransformUtil util;\r
-\r
- Point2D p1 = new Point2D.Double();\r
- Point2D p2 = new Point2D.Double();\r
- Rectangle2D rect = new Rectangle2D.Double();\r
- String viewingMessage;\r
-\r
- final TerminalNamingStrategy terminalNamingStrategy;\r
-\r
- /**\r
- * @param parentControl\r
- * @param resourceManager deprecated argument, use <code>null</code>\r
- * @param statusLine\r
- * @param terminalNamingStrategy\r
- */\r
- public TerminalInformer(Control parentControl, ResourceManager resourceManager, IStatusLineManager statusLine, TerminalNamingStrategy terminalNamingStrategy) {\r
- this.control = parentControl;\r
- this.statusLine = statusLine;\r
- this.terminalNamingStrategy = terminalNamingStrategy;\r
- }\r
-\r
- @Override\r
- public void removedFromContext(ICanvasContext ctx) {\r
- super.removedFromContext(ctx);\r
-\r
- final IStatusLineManager statusLine = this.statusLine;\r
- if (display != null && statusLine != null) {\r
- SWTUtils.asyncExec(display, new Runnable() {\r
- @Override\r
- public void run() {\r
- if (statusLine != null) {\r
- statusLine.setMessage(null, null);\r
- statusLine.setErrorMessage(null, null);\r
- }\r
- if (currentImage != null) {\r
- JFaceResources.getResources().destroyImage(currentImage);\r
- }\r
- }\r
- });\r
- }\r
- }\r
-\r
- public boolean infoDisabled() {\r
- return Boolean.TRUE.equals(getHint(TERMINAL_INFO_DISABLED));\r
- }\r
-\r
- private boolean infoEvent(MouseMovedEvent me) {\r
- return (me.stateMask & MouseEvent.CTRL_MASK) != 0;\r
- }\r
-\r
- private boolean infoEvent(KeyEvent ke) {\r
- return ke.keyCode == java.awt.event.KeyEvent.VK_CONTROL && (ke instanceof KeyPressedEvent);\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleKeys(KeyEvent ke) {\r
- if (infoDisabled() || !infoEvent(ke)) {\r
- setMessage(null);\r
- return false;\r
- }\r
-\r
- pickRect(rect);\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleMove(MouseMovedEvent me) {\r
- double pickDist = pointerInteractor.getPickDistance();\r
- p1.setLocation(me.controlPosition.getX() - pickDist, me.controlPosition.getY() - pickDist);\r
- p2.setLocation(me.controlPosition.getX() + pickDist, me.controlPosition.getY() + pickDist);\r
- util.controlToCanvas(p1, p1);\r
- util.controlToCanvas(p2, p2);\r
- rect.setFrameFromDiagonal(p1, p2);\r
-\r
- if (infoDisabled() || !infoEvent(me)) {\r
- setMessage(null);\r
- return false;\r
- }\r
-\r
- pickRect(rect);\r
-\r
- return false;\r
- }\r
-\r
- private void createMessage(TerminalInfo terminal, final Consumer<String> callback) {\r
- SimanticsUI.getSession().asyncRequest(new TerminalInfoMessage(terminal, terminalNamingStrategy), new ProcedureAdapter<String>() {\r
- @Override\r
- public void exception(Throwable t) {\r
- ErrorLogger.defaultLogError(t);\r
- }\r
- @Override\r
- public void execute(String result) {\r
- callback.accept(result);\r
- }\r
- });\r
- }\r
-\r
- private void pickRect(Rectangle2D rect) {\r
- TerminalInfo terminal = TerminalUtil.pickTerminal(diagram, rect);\r
- if (terminal != null) {\r
- createMessage(terminal, message -> setMessage(null, message));\r
- } else {\r
- setMessage(null);\r
- }\r
- }\r
-\r
- private void setMessage(String message) {\r
- setMessage(null, message);\r
- }\r
-\r
- private void setMessage(final ImageDescriptor imageDescriptor, String _message) {\r
- // Empty message equals no message.\r
- if (_message != null && _message.isEmpty())\r
- _message = null;\r
- final String message = _message;\r
-\r
- if (viewingMessage == null && message == null)\r
- return;\r
- if (ObjectUtils.objectEquals(viewingMessage, message))\r
- return;\r
-\r
- this.viewingMessage = message;\r
-\r
- SWTUtils.asyncExec(control, new Runnable() {\r
- @Override\r
- public void run() {\r
- if (control.isDisposed())\r
- return;\r
- display = control.getDisplay();\r
-\r
- Image img = null;\r
- ResourceManager rm = JFaceResources.getResources();\r
- if (imageDescriptor != null) {\r
- if (imageDescriptor.equals(TerminalInformer.this.currentImage)) {\r
- img = (Image) rm.find(imageDescriptor);\r
- } else {\r
- img = (Image) rm.createImage(imageDescriptor);\r
- currentImage = imageDescriptor;\r
- }\r
- } else {\r
- if (currentImage != null) {\r
- rm.destroyImage(currentImage);\r
- currentImage = null;\r
- }\r
- }\r
-\r
- IStatusLineManager statusLine = getStatusLine();\r
- if (statusLine != null) {\r
- statusLine.setMessage(img, message);\r
- statusLine.setErrorMessage(null);\r
- }\r
- }\r
- });\r
- }\r
-\r
- static class TerminalInfoMessage extends BinaryRead<TerminalInfo, TerminalNamingStrategy, String> {\r
- public TerminalInfoMessage(TerminalInfo info, TerminalNamingStrategy strategy) {\r
- super(info, strategy);\r
- }\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- return parameter2.getName(graph, parameter);\r
- }\r
- }\r
-\r
- protected IStatusLineManager getStatusLine() {\r
- IWorkbenchPart activePart = WorkbenchUtils.getActiveWorkbenchPart();\r
- if (activePart != null) {\r
- TerminalInformer.this.statusLine = statusLine = WorkbenchUtils.getStatusLine(activePart);\r
- return statusLine;\r
- }\r
- return null;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.modeling.ui.diagramEditor;
+
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.util.function.Consumer;
+
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.jface.resource.ResourceManager;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IWorkbenchPart;
+import org.simantics.databoard.util.ObjectUtils;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.procedure.adapter.ProcedureAdapter;
+import org.simantics.db.common.request.BinaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
+import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
+import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil;
+import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil.TerminalInfo;
+import org.simantics.g2d.participant.TransformUtil;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.KeyEvent;
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
+import org.simantics.ui.SimanticsUI;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.simantics.utils.ui.ErrorLogger;
+import org.simantics.utils.ui.SWTUtils;
+import org.simantics.utils.ui.workbench.WorkbenchUtils;
+
+/**
+ * Shows information about the terminal under the mouse in the Workbench status
+ * line.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class TerminalInformer extends AbstractDiagramParticipant {
+
+ public static interface TerminalNamingStrategy {
+ String getName(ReadGraph graph, TerminalInfo info) throws DatabaseException;
+ }
+
+ /**
+ * If this hint is not set or set to <code>false</code>, this participant
+ * will show terminal information in the status bar.
+ */
+ public static final Key TERMINAL_INFO_DISABLED = new KeyOf(Boolean.class);
+
+ @Dependency
+ protected PointerInteractor pointerInteractor;
+
+ Control control;
+ transient Display display;
+ IStatusLineManager statusLine;
+ ImageDescriptor currentImage;
+
+ @Dependency
+ TransformUtil util;
+
+ Point2D p1 = new Point2D.Double();
+ Point2D p2 = new Point2D.Double();
+ Rectangle2D rect = new Rectangle2D.Double();
+ String viewingMessage;
+
+ final TerminalNamingStrategy terminalNamingStrategy;
+
+ /**
+ * @param parentControl
+ * @param resourceManager deprecated argument, use <code>null</code>
+ * @param statusLine
+ * @param terminalNamingStrategy
+ */
+ public TerminalInformer(Control parentControl, ResourceManager resourceManager, IStatusLineManager statusLine, TerminalNamingStrategy terminalNamingStrategy) {
+ this.control = parentControl;
+ this.statusLine = statusLine;
+ this.terminalNamingStrategy = terminalNamingStrategy;
+ }
+
+ @Override
+ public void removedFromContext(ICanvasContext ctx) {
+ super.removedFromContext(ctx);
+
+ final IStatusLineManager statusLine = this.statusLine;
+ if (display != null && statusLine != null) {
+ SWTUtils.asyncExec(display, new Runnable() {
+ @Override
+ public void run() {
+ if (statusLine != null) {
+ statusLine.setMessage(null, null);
+ statusLine.setErrorMessage(null, null);
+ }
+ if (currentImage != null) {
+ JFaceResources.getResources().destroyImage(currentImage);
+ }
+ }
+ });
+ }
+ }
+
+ public boolean infoDisabled() {
+ return Boolean.TRUE.equals(getHint(TERMINAL_INFO_DISABLED));
+ }
+
+ private boolean infoEvent(MouseMovedEvent me) {
+ return (me.stateMask & MouseEvent.CTRL_MASK) != 0;
+ }
+
+ private boolean infoEvent(KeyEvent ke) {
+ return ke.keyCode == java.awt.event.KeyEvent.VK_CONTROL && (ke instanceof KeyPressedEvent);
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleKeys(KeyEvent ke) {
+ if (infoDisabled() || !infoEvent(ke)) {
+ setMessage(null);
+ return false;
+ }
+
+ pickRect(rect);
+ return false;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleMove(MouseMovedEvent me) {
+ double pickDist = pointerInteractor.getPickDistance();
+ p1.setLocation(me.controlPosition.getX() - pickDist, me.controlPosition.getY() - pickDist);
+ p2.setLocation(me.controlPosition.getX() + pickDist, me.controlPosition.getY() + pickDist);
+ util.controlToCanvas(p1, p1);
+ util.controlToCanvas(p2, p2);
+ rect.setFrameFromDiagonal(p1, p2);
+
+ if (infoDisabled() || !infoEvent(me)) {
+ setMessage(null);
+ return false;
+ }
+
+ pickRect(rect);
+
+ return false;
+ }
+
+ private void createMessage(TerminalInfo terminal, final Consumer<String> callback) {
+ SimanticsUI.getSession().asyncRequest(new TerminalInfoMessage(terminal, terminalNamingStrategy), new ProcedureAdapter<String>() {
+ @Override
+ public void exception(Throwable t) {
+ ErrorLogger.defaultLogError(t);
+ }
+ @Override
+ public void execute(String result) {
+ callback.accept(result);
+ }
+ });
+ }
+
+ private void pickRect(Rectangle2D rect) {
+ TerminalInfo terminal = TerminalUtil.pickTerminal(getContext(), diagram, rect);
+ if (terminal != null) {
+ createMessage(terminal, message -> setMessage(null, message));
+ } else {
+ setMessage(null);
+ }
+ }
+
+ private void setMessage(String message) {
+ setMessage(null, message);
+ }
+
+ private void setMessage(final ImageDescriptor imageDescriptor, String _message) {
+ // Empty message equals no message.
+ if (_message != null && _message.isEmpty())
+ _message = null;
+ final String message = _message;
+
+ if (viewingMessage == null && message == null)
+ return;
+ if (ObjectUtils.objectEquals(viewingMessage, message))
+ return;
+
+ this.viewingMessage = message;
+
+ SWTUtils.asyncExec(control, new Runnable() {
+ @Override
+ public void run() {
+ if (control.isDisposed())
+ return;
+ display = control.getDisplay();
+
+ Image img = null;
+ ResourceManager rm = JFaceResources.getResources();
+ if (imageDescriptor != null) {
+ if (imageDescriptor.equals(TerminalInformer.this.currentImage)) {
+ img = (Image) rm.find(imageDescriptor);
+ } else {
+ img = (Image) rm.createImage(imageDescriptor);
+ currentImage = imageDescriptor;
+ }
+ } else {
+ if (currentImage != null) {
+ rm.destroyImage(currentImage);
+ currentImage = null;
+ }
+ }
+
+ IStatusLineManager statusLine = getStatusLine();
+ if (statusLine != null) {
+ statusLine.setMessage(img, message);
+ statusLine.setErrorMessage(null);
+ }
+ }
+ });
+ }
+
+ static class TerminalInfoMessage extends BinaryRead<TerminalInfo, TerminalNamingStrategy, String> {
+ public TerminalInfoMessage(TerminalInfo info, TerminalNamingStrategy strategy) {
+ super(info, strategy);
+ }
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return parameter2.getName(graph, parameter);
+ }
+ }
+
+ protected IStatusLineManager getStatusLine() {
+ IWorkbenchPart activePart = WorkbenchUtils.getActiveWorkbenchPart();
+ if (activePart != null) {
+ TerminalInformer.this.statusLine = statusLine = WorkbenchUtils.getStatusLine(activePart);
+ return statusLine;
+ }
+ return null;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff