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004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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008: * Development and Distribution License("CDDL") (collectively, the
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041: package org.netbeans.modules.vmd.midp.flow;
042:
043: import org.netbeans.modules.vmd.api.flow.visual.FlowDescriptor;
044: import org.netbeans.modules.vmd.api.flow.visual.FlowEdgeDescriptor;
045: import org.netbeans.modules.vmd.api.model.DesignComponent;
046: import org.netbeans.modules.vmd.api.model.PropertyValue;
047: import org.netbeans.modules.vmd.api.model.DescriptorRegistry;
048: import org.netbeans.modules.vmd.midp.components.displayables.DisplayableCD;
049: import org.netbeans.modules.vmd.midp.components.displayables.AlertCD;
050: import org.netbeans.modules.vmd.midp.components.handlers.SwitchDisplayableEventHandlerCD;
051:
052: /**
053: * @author David Kaspar
054: */
055: public final class FlowSwitchDisplayableEventHandlerForwardEdgePresenter
056: extends FlowEventHandlerEdgePresenter {
057:
058: private final EventHandlerForwardEdgeDecoratorBehaviour edgeCtrl = new EventHandlerForwardEdgeDecoratorBehaviour();
059:
060: protected DesignComponent getTargetComponent() {
061: return getComponent().readProperty(
062: SwitchDisplayableEventHandlerCD.PROP_DISPLAYABLE)
063: .getComponent();
064: }
065:
066: protected String getEdgeID() {
067: return FlowIDSupport
068: .createSwitchDisplayableEventHandlerForwardEdgeID(getComponent());
069: }
070:
071: protected DesignComponent getSourceComponent() {
072: return getComponent().readProperty(
073: SwitchDisplayableEventHandlerCD.PROP_ALERT)
074: .getComponent();
075: }
076:
077: protected String getSourcePinID(DesignComponent source) {
078: return FlowIDSupport.createEventHandlerTargetPinID(
079: getComponent(), source);
080: }
081:
082: protected DesignComponent getRepresentedSourceComponent(
083: DesignComponent source) {
084: return getComponent();
085: }
086:
087: protected String getTargetPinID(DesignComponent target) {
088: return FlowIDSupport.createEventHandlerTargetForwardPinID(
089: getComponent(), target);
090: }
091:
092: protected DesignComponent getRepresentedTargetComponent(
093: DesignComponent target) {
094: return getComponent();
095: }
096:
097: protected boolean isVisible() {
098: DesignComponent component = getComponent();
099: return super .isVisible()
100: && component.getParentComponent() != null
101: && component.readProperty(
102: SwitchDisplayableEventHandlerCD.PROP_ALERT)
103: .getComponent() != null;
104: }
105:
106: public FlowEdgeDescriptor.EdgeDecorator getDecorator() {
107: return edgeCtrl;
108: }
109:
110: public FlowEdgeDescriptor.EdgeBehaviour getBehaviour() {
111: return edgeCtrl;
112: }
113:
114: public class EventHandlerForwardEdgeDecoratorBehaviour extends
115: EventHandlerEdgeDecoratorBehaviour {
116:
117: public boolean isSourceReconnectable(
118: FlowEdgeDescriptor descriptor) {
119: return false;
120: }
121:
122: public boolean isTargetReconnectable(
123: FlowEdgeDescriptor descriptor) {
124: return true;
125: }
126:
127: public boolean isReplacement(FlowEdgeDescriptor descriptor,
128: FlowDescriptor replacementDescriptor,
129: boolean reconnectingSource) {
130: assert !reconnectingSource;
131: DesignComponent targetComponent = replacementDescriptor != null ? replacementDescriptor
132: .getRepresentedComponent()
133: : null;
134: DescriptorRegistry descriptorRegistry = getComponent()
135: .getDocument().getDescriptorRegistry();
136: return targetComponent != null
137: && descriptorRegistry.isInHierarchy(
138: DisplayableCD.TYPEID, targetComponent
139: .getType())
140: && !descriptorRegistry.isInHierarchy(
141: AlertCD.TYPEID, targetComponent.getType());
142: }
143:
144: public void setReplacement(FlowEdgeDescriptor descriptor,
145: FlowDescriptor replacementDescriptor,
146: boolean reconnectingSource) {
147: assert !reconnectingSource;
148: getComponent()
149: .writeProperty(
150: SwitchDisplayableEventHandlerCD.PROP_DISPLAYABLE,
151: PropertyValue
152: .createComponentReference(replacementDescriptor
153: .getRepresentedComponent()));
154: }
155:
156: }
157:
158: }
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