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| package org.ericmignot.modeler.action; |
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| import org.ericmignot.modeler.data.BusinessObject; |
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| import org.ericmignot.modeler.data.Link; |
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| import org.ericmignot.modeler.data.Model; |
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| import org.ericmignot.modeler.data.SimplePoint; |
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| import org.ericmignot.modeler.util.action.ActionException; |
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| import org.ericmignot.modeler.util.action.NotifyableAction; |
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| |
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| public class SimplePointCreationAction extends NotifyableAction |
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| { |
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| protected Model model; |
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| protected Link source; |
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| protected BusinessObject sourceEnd; |
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| protected SimplePoint newPoint; |
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| protected Link linkFromStart; |
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| protected Link linkToEnd; |
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| |
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| public SimplePointCreationAction(Link source, SimplePoint newPoint, Model model)
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| { |
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| this.model = model;
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| this.source = source;
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| this.newPoint = newPoint;
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| this.sourceEnd = source.getLinkEnd();
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| } |
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| |
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| public Object execute(Object actionParameter) throws ActionException
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| { |
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| this.model.addBusinessObject(this.newPoint);
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| this.linkFromStart = this.source;
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| this.linkFromStart.setLinkEnd(this.newPoint);
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| this.linkToEnd = new Link();
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| this.linkToEnd.setLinkStart(this.newPoint);
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| this.linkToEnd.setLinkEnd(this.sourceEnd);
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| this.model.addBusinessObject(this.linkToEnd);
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| this.model.getRootLink(this.source).addPoint(this.newPoint.getCenter());
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| return this.newPoint;
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| } |
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| |
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| public Object cancel(Object actionParameter) throws ActionException
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| { |
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| this.model.removeBusinessObject(this.linkToEnd);
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| this.linkFromStart.setLinkEnd(this.sourceEnd);
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| this.model.removeBusinessObject(this.newPoint);
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| this.model.getRootLink(this.source).removePoint(this.newPoint.getCenter());
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| return this.newPoint;
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| } |
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| } |