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fixed d&d jumping issue

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bancika
2011-01-08 10:55:08 +00:00
parent 69f1e8afcd
commit a91e2c2617
6 changed files with 83 additions and 56 deletions
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diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/Presenter.java
+58 -38
View File
@@ -1,9 +1,7 @@
package org.diylc.presenter;
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics2D;
@@ -297,8 +295,9 @@ public class Presenter implements IPlugInPort {
g2dWrapper.scale(zoomLevel, zoomLevel);
}
Composite mainComposite = g2d.getComposite();
Composite alphaComposite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f);
// Composite mainComposite = g2d.getComposite();
// Composite alphaComposite =
// AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f);
// g2dWrapper.resetTx();
@@ -318,15 +317,15 @@ public class Presenter implements IPlugInPort {
}
// If the component is being dragged, draw it in a separate
// composite.
if (state == ComponentState.DRAGGING) {
g2dWrapper.setComposite(alphaComposite);
}
// if (state == ComponentState.DRAGGING) {
// g2dWrapper.setComposite(alphaComposite);
// }
// Draw the component through the g2dWrapper.
component.draw(g2dWrapper, state, currentProject);
// Restore the composite if needed.
if (state == ComponentState.DRAGGING) {
g2dWrapper.setComposite(mainComposite);
}
// if (state == ComponentState.DRAGGING) {
// g2dWrapper.setComposite(mainComposite);
// }
componentAreaMap.put(component, g2dWrapper.finishedDrawingComponent());
// Draw control points
@@ -483,9 +482,11 @@ public class Presenter implements IPlugInPort {
break;
}
}
if (!components.equals(controlPointMap)) {
controlPointMap = components;
messageDispatcher.dispatchMessage(EventType.AVAILABLE_CTRL_POINTS_CHANGED, components);
messageDispatcher.dispatchMessage(EventType.AVAILABLE_CTRL_POINTS_CHANGED,
new HashMap<IDIYComponent<?>, Set<Integer>>(components));
}
}
@@ -534,11 +535,25 @@ public class Presenter implements IPlugInPort {
messageDispatcher.dispatchMessage(EventType.SELECTION_CHANGED, selectedComponents);
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
// If there aren't any control points, try to add all the selected
// components with all their control points. That will allow the
// user to
// drag the whole component.
for (IDIYComponent<?> c : selectedComponents) {
Set<Integer> pointIndices = new HashSet<Integer>();
if (component.getControlPointCount() > 0) {
for (int i = 0; i < component.getControlPointCount(); i++) {
pointIndices.add(i);
}
controlPointMap.put(c, pointIndices);
}
}
}
}
@Override
public boolean dragOver(Point point) {
// System.err.println("DragOver: " + point);
if (point == null) {
return false;
}
@@ -567,7 +582,7 @@ public class Presenter implements IPlugInPort {
dy = (int) (Math.round(dy / Constants.GRID) * Constants.GRID);
}
// Only repaint if there's an actual change.
repaint = dx != 0 && dy != 0;
repaint = dx != 0 || dy != 0;
previousDragPoint.translate(dx, dy);
@@ -588,10 +603,12 @@ public class Presenter implements IPlugInPort {
repaint = true;
// messageDispatcher.dispatchMessage(EventType.SELECTION_RECT_CHANGED,
// selectionRect);
} else {
// If there are components selected translate their control points.
repaint = translateSelectedComponents(previousDragPoint, scaledPoint);
// dragStartPoint = point;
// } else {
// // If there are components selected translate their control
// points.
// repaint = translateSelectedComponents(previousDragPoint,
// scaledPoint);
// // dragStartPoint = point;
}
if (repaint) {
messageDispatcher.dispatchMessage(EventType.REPAINT);
@@ -633,29 +650,32 @@ public class Presenter implements IPlugInPort {
dragInProgress = false;
}
private boolean translateSelectedComponents(Point fromPoint, Point toPoint) {
if (toPoint == null) {
LOG.debug("Drag ended outside the drawing area.");
return false;
}
int dx = (int) (Math.round((toPoint.x - fromPoint.x) / zoomLevel / Constants.GRID) * Constants.GRID);
int dy = (int) (Math.round((toPoint.y - fromPoint.y) / zoomLevel / Constants.GRID) * Constants.GRID);
fromPoint.translate(dx, dy);
for (IDIYComponent<?> component : selectedComponents) {
for (int i = 0; i < component.getControlPointCount(); i++) {
Point controlPoint = new Point(component.getControlPoint(i));
translateControlPoint(controlPoint, dx, dy);
component.setControlPoint(controlPoint, i);
}
}
return dx != 0 && dy != 0;
}
// private boolean translateSelectedComponents(Point fromPoint, Point
// toPoint) {
// if (toPoint == null) {
// LOG.debug("Drag ended outside the drawing area.");
// return false;
// }
// int dx = (int) (Math.round((toPoint.x - fromPoint.x) / zoomLevel /
// Constants.GRID) * Constants.GRID);
// int dy = (int) (Math.round((toPoint.y - fromPoint.y) / zoomLevel /
// Constants.GRID) * Constants.GRID);
// fromPoint.translate(dx, dy);
// for (IDIYComponent<?> component : selectedComponents) {
// for (int i = 0; i < component.getControlPointCount(); i++) {
// Point controlPoint = new Point(component.getControlPoint(i));
// translateControlPoint(controlPoint, dx, dy);
// component.setControlPoint(controlPoint, i);
// }
// }
// return dx != 0 && dy != 0;
// }
private void translateControlPoint(Point controlPoint, int dx, int dy) {
int x = controlPoint.x + dx;
int y = controlPoint.y + dy;
controlPoint.setLocation(x, y);
}
// private void translateControlPoint(Point controlPoint, int dx, int dy) {
// int x = controlPoint.x + dx;
// int y = controlPoint.y + dy;
// controlPoint.setLocation(x, y);
// }
@Override
public void addComponents(List<IDIYComponent<?>> components, Point preferredPoint) {