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optimize refresh when creating new component

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bancika
2011-01-25 22:48:51 +00:00
parent 3a7fdeb792
commit f28dda37a6
2 changed files with 19 additions and 7 deletions
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diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/InstantiationManager.java
+13 -4
View File
@@ -80,14 +80,22 @@ public class InstantiationManager {
componentSlot.setControlPoint(firstControlPoint, 1);
}
public void updatePointByPoint(Point scaledPoint) {
/**
* Updates component in the slot with the new second control point.
*
* @param scaledPoint
* @return true, if any change is made
*/
public boolean updatePointByPoint(Point scaledPoint) {
boolean changeMade = !scaledPoint.equals(potentialControlPoint);
potentialControlPoint = scaledPoint;
if (componentSlot != null) {
componentSlot.setControlPoint(scaledPoint, 1);
}
return changeMade;
}
public void updateSingleClick(Point scaledPoint, boolean snapToGrid, Size gridSpacing) {
public boolean updateSingleClick(Point scaledPoint, boolean snapToGrid, Size gridSpacing) {
if (potentialControlPoint == null) {
potentialControlPoint = new Point(0, 0);
}
@@ -99,7 +107,7 @@ public class InstantiationManager {
}
// Only repaint if there's an actual change.
if (dx == 0 && dy == 0) {
return;
return false;
}
potentialControlPoint.translate(dx, dy);
if (componentSlot == null) {
@@ -112,6 +120,7 @@ public class InstantiationManager {
componentSlot.setControlPoint(p, i);
}
}
return true;
}
public IDIYComponent<?> instantiateComponent(ComponentType componentType, Point point,
diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/Presenter.java
+6 -3
View File
@@ -439,16 +439,19 @@ public class Presenter implements IPlugInPort {
if (snapToGrid) {
CalcUtils.snapPointToGrid(scaledPoint, currentProject.getGridSpacing());
}
boolean refresh = false;
switch (instantiationManager.getComponentTypeSlot().getCreationMethod()) {
case POINT_BY_POINT:
instantiationManager.updatePointByPoint(scaledPoint);
refresh = instantiationManager.updatePointByPoint(scaledPoint);
break;
case SINGLE_CLICK:
instantiationManager.updateSingleClick(scaledPoint, snapToGrid, currentProject
refresh = instantiationManager.updateSingleClick(scaledPoint, snapToGrid, currentProject
.getGridSpacing());
break;
}
messageDispatcher.dispatchMessage(EventType.REPAINT);
if (refresh) {
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
} else {
// Go backwards so we take the highest z-order components first.
for (int i = currentProject.getComponents().size() - 1; i >= 0; i--) {