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Display turtle graphics in a view window.
Remove old ruler version of the display. Rename AddComposite to LiveCodingAnalyst.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,21 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <?eclipse version="3.4"?> | ||
| <plugin> | ||
| <extension | ||
| point="org.eclipse.ui.workbench.texteditor.rulerColumns"> | ||
| <column | ||
| class="live_py.LiveCodingResultsRuler" | ||
| enabled="true" | ||
| global="true" | ||
| id="live-py.live-results" | ||
| includeInMenu="true" | ||
| name="Live Coding Results"> | ||
| <placement | ||
| gravity="1.0"> | ||
| </placement> | ||
| <targetClass | ||
| class="org.python.pydev.editor.PyEdit"> | ||
| </targetClass> | ||
| </column> | ||
| </extension> | ||
| <extension | ||
| point="org.python.pydev.pydev_pyedit_listener"> | ||
| <pyedit_listener_participant | ||
| class="live_py.AddComposite"> | ||
| class="live_py.LiveCodingAnalyst"> | ||
| </pyedit_listener_participant> | ||
| </extension> | ||
| <extension | ||
| point="org.eclipse.ui.views"> | ||
| <view | ||
| class="live_py.LiveCanvasView" | ||
| icon="icons/turtle.png" | ||
| id="com.github.donkirkby.live-canvas" | ||
| name="Live Coding Canvas" | ||
| restorable="true"> | ||
| </view> | ||
| </extension> | ||
|
|
||
| </plugin> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package live_py; | ||
|
|
||
| import java.util.ArrayList; | ||
|
|
||
| import org.eclipse.swt.SWT; | ||
| import org.eclipse.swt.events.PaintEvent; | ||
| import org.eclipse.swt.events.PaintListener; | ||
| import org.eclipse.swt.graphics.Font; | ||
| import org.eclipse.swt.graphics.GC; | ||
| import org.eclipse.swt.graphics.Point; | ||
| import org.eclipse.swt.widgets.Canvas; | ||
| import org.eclipse.swt.widgets.Composite; | ||
| import org.eclipse.ui.IPartListener; | ||
| import org.eclipse.ui.IViewSite; | ||
| import org.eclipse.ui.IWorkbenchPart; | ||
| import org.eclipse.ui.part.ViewPart; | ||
| import org.python.pydev.editor.PyEdit; | ||
|
|
||
| public class LiveCanvasView extends ViewPart { | ||
| private LiveCodingAnalyst analyst; | ||
| private Canvas canvas; | ||
|
|
||
| public LiveCanvasView() { | ||
| super(); | ||
| } | ||
|
|
||
| public void setFocus() { | ||
| } | ||
|
|
||
| public void createPartControl(Composite parent) { | ||
| canvas = new Canvas(parent, SWT.NONE); | ||
|
|
||
| canvas.addPaintListener(new PaintListener() { | ||
|
|
||
| @Override | ||
| public void paintControl(PaintEvent e) { | ||
| drawResult(e.gc); | ||
| } | ||
| }); | ||
|
|
||
| IViewSite site = getViewSite(); | ||
| site.getPage().addPartListener(new IPartListener() { | ||
|
|
||
| @Override | ||
| public void partOpened(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| public void partDeactivated(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| public void partClosed(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| public void partBroughtToTop(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| public void partActivated(IWorkbenchPart part) { | ||
| if (part instanceof PyEdit) | ||
| { | ||
| PyEdit editor = (PyEdit)part; | ||
| LiveCodingAnalyst newAnalyst = | ||
| LiveCodingAnalyst.getAnalyst(editor); | ||
| if (newAnalyst != analyst && analyst != null) { | ||
| analyst.setCanvasView(null); | ||
| } | ||
| analyst = newAnalyst; | ||
| analyst.setCanvasView(LiveCanvasView.this); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| public void redraw() { | ||
| if (canvas != null) { | ||
| canvas.redraw(); | ||
| } | ||
| } | ||
|
|
||
| private void drawResult(GC gc) { | ||
| // Clear the drawing | ||
| gc.fillRectangle(gc.getDevice().getBounds()); | ||
|
|
||
| if (analyst == null) { | ||
| return; | ||
| } | ||
| ArrayList<CanvasCommand> canvasCommands = analyst.getCanvasCommands(); | ||
| // Execute the drawing commands | ||
| for (CanvasCommand command : canvasCommands) { | ||
| String method = command.getName(); | ||
| if (method.equals("create_line")) { | ||
| gc.drawLine( | ||
| command.getCoordinate(0), | ||
| command.getCoordinate(1), | ||
| command.getCoordinate(2), | ||
| command.getCoordinate(3)); | ||
| } | ||
| else if (method.equals("create_rectangle")) { | ||
| gc.drawRectangle( | ||
| command.getCoordinate(0), | ||
| command.getCoordinate(1), | ||
| command.getCoordinate(2) - command.getCoordinate(0), | ||
| command.getCoordinate(3) - command.getCoordinate(1)); | ||
| } | ||
| else if (method.equals("create_text")) { | ||
| Font oldFont = gc.getFont(); | ||
| gc.setFont(command.getFontOption(gc.getDevice(), "font")); | ||
| String text = command.getOption("text"); | ||
| Point size = gc.textExtent(text); | ||
| int x = command.getCoordinate(0); | ||
| int y = command.getCoordinate(1); | ||
| String anchor = command.getOption("anchor"); | ||
| anchor = anchor == null ? "center" : anchor; | ||
| if (anchor.startsWith("s")) { | ||
| y -= size.y; | ||
| } | ||
| else if (anchor.startsWith("n")) { | ||
| // defaults to top | ||
| } | ||
| else { | ||
| y -= size.y/2; | ||
| } | ||
| if (anchor.endsWith("e")) { | ||
| x -= size.x; | ||
| } | ||
| else if (anchor.endsWith("w")) { | ||
| // defaults to left side | ||
| } | ||
| else { | ||
| x -= size.x/2; | ||
| } | ||
| gc.drawText( | ||
| text, | ||
| x, | ||
| y, | ||
| SWT.DRAW_TRANSPARENT); | ||
| gc.setFont(oldFont); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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