Examples with Transitions org.whole.lang.flowchart.model.Transitions used on opensource projects

Example 1 with Transitions

use of org.whole.lang.flowchart.model.Transitions in project whole by wholeplatform.

the class FlowchartDefaultEntityRegistryConfiguration method apply.

public void apply(IEntityRegistry er) {
    super.apply(er);
    FlowchartEntityFactory ef = FlowchartEntityFactory.instance(er);
    er.put(ef.create(FlowchartEntityDescriptorEnum.Entry, ef.createPixels(0), ef.createPixels(0), ef.createPixels(16), ef.createPixels(16), ef.createText("entry")));
    er.put(ef.create(FlowchartEntityDescriptorEnum.Exit, ef.createPixels(0), ef.createPixels(0), ef.createPixels(16), ef.createPixels(16), ef.createText("exit")));
    er.put(ef.create(FlowchartEntityDescriptorEnum.Block, ef.createPixels(0), ef.createPixels(0), ef.createPixels(50), ef.createPixels(40), ef.createText("block")));
    er.put(ef.create(FlowchartEntityDescriptorEnum.Choice, ef.createPixels(0), ef.createPixels(0), ef.createPixels(40), ef.createPixels(30), ef.createText("choice")));
    Transitions joinTransitions = ef.createTransitions(0);
    er.put(ef.create(FlowchartEntityDescriptorEnum.Join, ef.createPixels(0), ef.createPixels(0), ef.createPixels(50), ef.createPixels(16), ef.createText("join"), joinTransitions));
    Flowchart flowchart = ef.create(FlowchartEntityDescriptorEnum.Flowchart, ef.createNodes(0), ef.createTransitions(0));
    er.put(flowchart);
    flowchart.wAddChangeEventHandler(new IdentityChangeEventHandler() {

        private static final long serialVersionUID = 1L;

        public void notifyChanged(IEntity source, FeatureDescriptor fd, IEntity oldValue, IEntity newValue) {
            if (FlowchartFeatureDescriptorEnum.transitions.equals(fd)) {
                newValue.wAddChangeEventHandler(new IdentityChangeEventHandler() {

                    private static final long serialVersionUID = 1L;

                    @Override
                    public void notifyRemoved(IEntity source, FeatureDescriptor featureDesc, int index, IEntity oldValue) {
                        super.notifyRemoved(source, featureDesc, index, oldValue);
                        if (Matcher.match(FlowchartEntityDescriptorEnum.Flowchart, source.wGetParent()) && EntityUtils.isNotResolver(oldValue)) {
                            removeCrossReferences(oldValue, FlowchartFeatureDescriptorEnum.target);
                            removeCrossReferences(oldValue, FlowchartFeatureDescriptorEnum.source);
                        }
                    }

                    private void removeCrossReferences(IEntity transition, FeatureDescriptor fd) {
                        IEntity referrer = transition.wGet(fd);
                        for (int i = referrer.wSize(), size = i + referrer.wAdjacentSize(); i < size; i++) {
                            IEntity adjacent = referrer.wGet(i);
                            if (EntityUtils.isComposite(adjacent) && adjacent.wContains(transition))
                                referrer.wGet(i).wRemove(transition);
                            else if (// referece modifier check not needed
                            adjacent == transition)
                                referrer.wSet(i, CommonsEntityAdapterFactory.createResolver(adjacent.wGetEntityDescriptor()));
                        }
                    }
                });
            }
        }
    });
    // FIXME workaround for misbehaving event handling on composite entities with relationship modifier.
    // AbstractEntity.notifyAdded() should have notified the composite owner's event handler (Join),
    // consequently we redirect any change event of the composite to the owner entity.
    joinTransitions.wAddChangeEventHandler(new IdentityChangeEventHandler() {

        private static final long serialVersionUID = 1L;

        @Override
        public void notifyAdded(IEntity source, FeatureDescriptor featureDesc, int index, IEntity newValue) {
            IEntity targetJoin = newValue.wGet(FlowchartFeatureDescriptorEnum.target);
            IChangeEventHandler changeEventHandler = targetJoin.wGetModel().getCompoundModel().getChangeEventHandler();
            changeEventHandler.notifyChanged(targetJoin, FlowchartFeatureDescriptorEnum.targetTransitions, source, source);
        }

        @Override
        public void notifyRemoved(IEntity source, FeatureDescriptor featureDesc, int index, IEntity newValue) {
            IEntity targetJoin = newValue.wGet(FlowchartFeatureDescriptorEnum.target);
            IChangeEventHandler changeEventHandler = targetJoin.wGetModel().getCompoundModel().getChangeEventHandler();
            changeEventHandler.notifyChanged(targetJoin, FlowchartFeatureDescriptorEnum.targetTransitions, source, source);
        }
    });
}