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Z-order component handling

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bancika
2011-01-08 09:34:21 +00:00
parent 5b0753c42c
commit b9fe3d84e2
4 changed files with 64 additions and 22 deletions
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diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/ComparatorFactory.java
+19
View File
@@ -1,7 +1,9 @@
package org.diylc.presenter;
import java.util.Comparator;
import java.util.Map;
import org.diylc.common.ComponentType;
import org.diylc.core.IDIYComponent;
public class ComparatorFactory {
@@ -9,6 +11,7 @@ public class ComparatorFactory {
private static ComparatorFactory instance;
private Comparator<IDIYComponent<?>> componentNameComparator;
private Comparator<IDIYComponent<?>> componentZOrderComparator;
public static ComparatorFactory getInstance() {
if (instance == null) {
@@ -34,4 +37,20 @@ public class ComparatorFactory {
}
return componentNameComparator;
}
public Comparator<IDIYComponent<?>> getComponentZOrderComparator(
final Map<Class<? extends IDIYComponent>, ComponentType> componentTypeMap) {
if (componentZOrderComparator == null) {
componentZOrderComparator = new Comparator<IDIYComponent<?>>() {
@Override
public int compare(IDIYComponent<?> o1, IDIYComponent<?> o2) {
int zIndex1 = componentTypeMap.get(o1.getClass()).getLayer().ordinal();
int zIndex2 = componentTypeMap.get(o2.getClass()).getLayer().ordinal();
return new Integer(zIndex1).compareTo(zIndex2);
}
};
}
return componentZOrderComparator;
}
}
diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/Presenter.java
+40 -21
View File
@@ -17,6 +17,7 @@ import java.awt.geom.Point2D;
import java.awt.image.BufferedImage;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
@@ -401,6 +402,9 @@ public class Presenter implements IPlugInPort {
components.add(entry.getKey());
}
}
// Sort by z-order.
Collections.sort(components, ComparatorFactory.getInstance().getComponentZOrderComparator(
componentTypeMap));
return components;
}
@@ -411,11 +415,10 @@ public class Presenter implements IPlugInPort {
Point scaledPoint = scalePoint(point);
if (componentSlot != null) {
try {
instantiateComponent(componentSlot.getInstanceClass(), componentSlot.getName(),
componentSlot.getNamePrefix(), scaledPoint);
instantiateComponent(componentSlot, scaledPoint);
} catch (Exception e) {
LOG.error("Error instatiating component of type: "
+ componentSlot.getInstanceClass().getName());
+ componentSlot.getInstanceClass().getName(), e);
}
setNewComponentSlot(null);
} else {
@@ -449,7 +452,8 @@ public class Presenter implements IPlugInPort {
Map<IDIYComponent<?>, Set<Integer>> components = new HashMap<IDIYComponent<?>, Set<Integer>>();
Point scaledPoint = scalePoint(point);
for (IDIYComponent<?> component : currentProject.getComponents()) {
for (int i = 0; i < component.getControlPointCount(); i++) {
// Go backwards so we take the highest z-order components first.
for (int i = component.getControlPointCount() - 1; i >= 0; i--) {
Point controlPoint = component.getControlPoint(i);
if (shouldShowControlPointsFor(component)) {
try {
@@ -537,6 +541,7 @@ public class Presenter implements IPlugInPort {
return false;
}
Point scaledPoint = scalePoint(point);
boolean repaint = false;
if (!controlPointMap.isEmpty()) {
// We're dragging control point(s).
// IDIYComponent<?> firstComponent =
@@ -559,6 +564,8 @@ public class Presenter implements IPlugInPort {
dx = (int) (Math.round(dx / Constants.GRID) * Constants.GRID);
dy = (int) (Math.round(dy / Constants.GRID) * Constants.GRID);
}
// Only repaint if there's an actual change.
repaint = dx != 0 && dy != 0;
previousDragPoint.translate(dx, dy);
@@ -566,7 +573,7 @@ public class Presenter implements IPlugInPort {
for (Map.Entry<IDIYComponent<?>, Set<Integer>> entry : controlPointMap.entrySet()) {
IDIYComponent<?> c = entry.getKey();
for (Integer index : entry.getValue()) {
Point p = c.getControlPoint(index);
Point p = new Point(c.getControlPoint(index));
p.translate(dx, dy);
c.setControlPoint(p, index);
}
@@ -576,11 +583,12 @@ public class Presenter implements IPlugInPort {
// If there's no selection, the only thing to do is update the
// selection rectangle and refresh.
this.selectionRect = Utils.createRectangle(scaledPoint, previousDragPoint);
repaint = true;
// messageDispatcher.dispatchMessage(EventType.SELECTION_RECT_CHANGED,
// selectionRect);
} else {
// If there are components selected translate their control points.
translateSelectedComponents(previousDragPoint, scaledPoint);
repaint = translateSelectedComponents(previousDragPoint, scaledPoint);
// dragStartPoint = point;
}
messageDispatcher.dispatchMessage(EventType.REPAINT);
@@ -621,21 +629,22 @@ public class Presenter implements IPlugInPort {
dragInProgress = false;
}
private void translateSelectedComponents(Point fromPoint, Point toPoint) {
private boolean translateSelectedComponents(Point fromPoint, Point toPoint) {
if (toPoint == null) {
LOG.debug("Drag ended outside the drawing area.");
return;
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 = component.getControlPoint(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) {
@@ -705,21 +714,20 @@ public class Presenter implements IPlugInPort {
}
@SuppressWarnings("unchecked")
private void instantiateComponent(Class<? extends IDIYComponent> componentClass,
String componentTypeName, String namePrefix, Point point) throws Exception {
LOG.info("Instatiating component of type: " + componentClass.getName());
private void instantiateComponent(ComponentType componentType, Point point) throws Exception {
LOG.info("Instatiating component of type: " + componentType.getInstanceClass().getName());
Project oldProject = cloner.deepClone(currentProject);
// Instantiate the component.
IDIYComponent component = componentClass.newInstance();
IDIYComponent component = componentType.getInstanceClass().newInstance();
// Find the next available componentName for the component.
int i = 0;
boolean exists = true;
while (exists) {
i++;
String name = namePrefix + i;
String name = componentType.getNamePrefix() + i;
exists = false;
for (IDIYComponent c : currentProject.getComponents()) {
if (c.getName().equals(name)) {
@@ -728,15 +736,25 @@ public class Presenter implements IPlugInPort {
}
}
}
component.setName(namePrefix + i);
component.setName(componentType.getNamePrefix() + i);
// Add it to the project.
currentProject.getComponents().add(component);
// Add it to the project taking z-order into account.
int index = 0;
while (index < currentProject.getComponents().size()
&& componentType.getLayer().ordinal() >= componentTypeMap.get(
currentProject.getComponents().get(index).getClass()).getLayer().ordinal()) {
index++;
}
if (index < currentProject.getComponents().size()) {
currentProject.getComponents().add(index, component);
} else {
currentProject.getComponents().add(component);
}
// Translate them to the desired location.
if (point != null) {
for (int j = 0; j < component.getControlPointCount(); j++) {
Point controlPoint = component.getControlPoint(j);
Point controlPoint = new Point(component.getControlPoint(j));
int x = controlPoint.x + point.x;
int y = controlPoint.y + point.y;
if (snapToGrid) {
@@ -750,14 +768,15 @@ public class Presenter implements IPlugInPort {
// Extract properties.
List<PropertyWrapper> properties = ComponentProcessor.getInstance().extractProperties(
componentClass);
componentType.getInstanceClass());
// Override with default values if available.
for (PropertyWrapper property : properties) {
Object defaultValue = null;
Map<String, Object> defaultMap = (Map<String, Object>) ConfigurationManager
.getInstance().getConfigurationItem(DEFAULTS_KEY);
if (defaultMap != null) {
defaultValue = defaultMap.get(componentClass.getName() + ":" + property.getName());
defaultValue = defaultMap.get(componentType.getInstanceClass().getName() + ":"
+ property.getName());
}
if (defaultValue != null) {
property.setValue(cloner.deepClone(defaultValue));
@@ -768,7 +787,7 @@ public class Presenter implements IPlugInPort {
// Notify the listeners.
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Add " + componentTypeName);
.deepClone(currentProject), "Add " + componentType.getName());
}
messageDispatcher.dispatchMessage(EventType.REPAINT);
}