Merge branch 'development' of

[Mograsim.git] / net.mograsim.logic.model.editor / src / net / mograsim / logic / model / editor / states / BoxSelectionState.java

diff --git a/net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/states/BoxSelectionState.java b/net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/states/BoxSelectionState.java
new file mode 100644 (file)
index 0000000..516f8e6
--- /dev/null
+++ b/net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/states/BoxSelectionState.java
@@ -0,0 +1,91 @@
+package net.mograsim.logic.model.editor.states;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Display;
+
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas.ZoomedRenderer;
+import net.mograsim.logic.model.editor.Editor;
+import net.mograsim.logic.model.editor.Selection;
+import net.mograsim.logic.model.editor.handles.Handle;
+
+public class BoxSelectionState extends EditorState
+{
+       private Point origin;
+       private double mX, mY;
+
+       private final ZoomedRenderer boxRenderer = gc ->
+       {
+               if (origin != null)
+               {
+                       gc.setLineWidth(0.5);
+                       gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_DARK_YELLOW));
+                       gc.drawRectangle(origin.x, origin.y, mX - origin.x, mY - origin.y);
+               }
+       };
+
+       public BoxSelectionState(Editor editor, StateManager manager)
+       {
+               super(editor, manager);
+       }
+
+       @Override
+       public void onEntry()
+       {
+               editor.gui.logicCanvas.addZoomedRenderer(boxRenderer);
+               editor.gui.logicCanvas.redrawThreadsafe();
+       }
+
+       @Override
+       public void onExit()
+       {
+               editor.gui.logicCanvas.removeZoomedRenderer(boxRenderer);
+               editor.gui.logicCanvas.redrawThreadsafe();
+       }
+
+       @Override
+       public void boxSelect()
+       {
+               manager.setState(new SelectionState(editor, manager));
+       }
+
+       @Override
+       public void clicked(Point clicked, int stateMask)
+       {
+               if (origin == null)
+               {
+                       origin = new Point(clicked.x, clicked.y);
+                       mX = clicked.x;
+                       mY = clicked.y;
+               } else
+               {
+                       Selection s = editor.getSelection();
+                       s.clear();
+                       boolean leftToRight = mX > origin.x, topToBottom = mY > origin.y;
+                       double x = leftToRight ? origin.x : mX, y = topToBottom ? origin.y : mY,
+                                       width = leftToRight ? mX - origin.x : origin.x - mX,
+                                       height = topToBottom ? mY - origin.y : origin.y - mY;
+
+                       Rectangle selected = new Rectangle(x, y, width, height);
+                       for (Handle h : editor.handleManager.getHandles())
+                       {
+                               Rectangle hBounds = h.getBounds();
+                               if (selected.contains(hBounds.x, hBounds.y)
+                                               && selected.contains(hBounds.x + hBounds.width, hBounds.y + hBounds.height))
+                               {
+                                       s.add(h);
+                               }
+                       }
+                       manager.setState(new SelectionState(editor, manager));
+               }
+       }
+
+       @Override
+       public void mouseMoved(double x, double y)
+       {
+               mX = x;
+               mY = y;
+               editor.gui.logicCanvas.redrawThreadsafe();
+       }
+}