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/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* CONTRIBUTORS:
* Juergen Haug (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.behavior.fsm.support
import java.util.List
import org.eclipse.etrice.core.fsm.fSM.InitialTransition
import org.eclipse.etrice.core.fsm.fSM.ModelComponent
import org.eclipse.etrice.core.fsm.fSM.RefinedState
import org.eclipse.etrice.core.fsm.fSM.RefinedTransition
import org.eclipse.etrice.core.fsm.fSM.State
import org.eclipse.etrice.core.fsm.fSM.StateGraph
import org.eclipse.etrice.core.fsm.fSM.StateGraphNode
import org.eclipse.etrice.core.fsm.fSM.TrPoint
import org.eclipse.etrice.core.fsm.fSM.Transition
import org.eclipse.etrice.ui.behavior.fsm.provider.BaseDiagramProvider
import org.eclipse.graphiti.mm.algorithms.Text
import org.eclipse.graphiti.mm.pictograms.Connection
import org.eclipse.graphiti.mm.pictograms.FreeFormConnection
import org.eclipse.graphiti.mm.pictograms.PictogramElement
import org.eclipse.graphiti.services.Graphiti
import org.eclipse.xtend.lib.annotations.FinalFieldsConstructor
/**
* IPositionProvider based on {@linkplain BaseDiagramProvider}
* Logic copied from DefaultPositionProvider
*/
@FinalFieldsConstructor
class BaseDiagramPositionProvider implements IPositionProvider {
val BaseDiagramProvider baseDiagram
// TODO: positions should not rely on graphics internals
def getMargin(StateGraphNode node) {
switch node {
State: StateSupport.MARGIN
TrPoint: TrPointSupport.MARGIN
default: 0
}
}
// TODO: positions should not rely on graphics internals
def getMargin(StateGraph graph){
return 0
}
def private toPosAndSize(PictogramElement pe, int margin){
val borderGa = (pe.eContainer as PictogramElement).graphicsAlgorithm.graphicsAlgorithmChildren.head
val ga = pe.graphicsAlgorithm
val x = (ga.getX() / borderGa.width as double) * sx + margin
val y = (ga.getY() / borderGa.height as double) * sy + margin
val width = ((ga.getWidth() - 2 * margin) / borderGa.width as double) * sx
val height = ((ga.getHeight() - 2 * margin) / borderGa.height as double) * sy
new PosAndSize(x as int, y as int, width as int, height as int)
}
override getGraphPosAndSize(StateGraph sg) {
// graph is child of border shape, see initial point
val pe = baseDiagram.getPictograms(sg).findFirst[parentBo instanceof ModelComponent]
if (pe !== null){
val visibleGa = pe.graphicsAlgorithm.graphicsAlgorithmChildren.head
new PosAndSize(pe.graphicsAlgorithm.x, pe.graphicsAlgorithm.y, visibleGa.width, visibleGa.height)
}
}
override getPoints(Transition trans) {
val pe = {
if (trans instanceof RefinedTransition)
baseDiagram.getPictograms(trans.target).head
else
baseDiagram.getPictograms(trans).head
}
newArrayList => [ pointList |
if (pe instanceof Connection){
val graphPosAndSize = getGraphPosAndSize(trans.eContainer as StateGraph)
val text = pe.connectionDecorators.map[graphicsAlgorithm].filter(Text).head
if (text !== null){
pointList += new Pos(
(((text.x / graphPosAndSize.width as double) * sx) as int),
(((text.y / graphPosAndSize.height as double) * sy) as int)
)
if (pe instanceof FreeFormConnection){
pointList += pe.bendpoints.map[pt | new Pos(
(((pt.x / graphPosAndSize.width as double) * sx + x) as int) - StateGraphSupport.MARGIN,
(((pt.y / graphPosAndSize.height as double) * sy + y) as int) - StateGraphSupport.MARGIN
)]
}
}
}
]
}
override getPosition(StateGraphNode node) {
val getBasePos = [baseDiagram.getPictograms(it).findFirst[parentBo instanceof StateGraph]?.toPosAndSize(node.margin)]
return if(node instanceof RefinedState){
// 1. RefinedState is base diagram
// 2. RefinedState target is in base diagram
getBasePos.apply(node)?:getBasePos.apply(node.target)
} else {
getBasePos.apply(node)
}
}
override getInitialPoint(StateGraph stateGraph) {
val initTransPe = baseDiagram.getPictograms(stateGraph.transitions.filter(InitialTransition).head).head
if(initTransPe instanceof Connection){
val sourceAnchorBo = Graphiti.linkService.getBusinessObjectForLinkedPictogramElement(initTransPe.start)
if(sourceAnchorBo instanceof StateGraph)
return sourceAnchorBo
}
}
// TODO: better naming, this is the initial point
override getPosition(StateGraph graph) {
// initial point bo is graph and it is child of border shape
baseDiagram.getPictograms(graph).findFirst[parentBo instanceof StateGraph]?.toPosAndSize(graph.margin)
}
override <T extends StateGraphNode> getPositions(List<T> items) {
items.map[baseDiagram.getPictograms(it).head?.toPosAndSize(it.margin)]
}
override getSubPosition(StateGraphNode subNode) {
val pe = baseDiagram.getPictograms(subNode).findFirst[parentBo instanceof State]
if (pe !== null){
val parentPe = pe.eContainer as PictogramElement
val relX = pe.graphicsAlgorithm.getX() as double / (parentPe.graphicsAlgorithm.getWidth() - 2 * StateSupport.MARGIN)
val relY = pe.graphicsAlgorithm.getY() as double / (parentPe.graphicsAlgorithm.getHeight() - 2 * StateSupport.MARGIN)
return #[relX, relY]
}
}
var int x
var int y
override setPosition(int x, int y) {
this.x = x
this.y = y
}
var double sx
var double sy
override setScale(double sx, double sy) {
this.sx = sx
this.sy = sy
}
def private getParentBo(PictogramElement pe) {
Graphiti.linkService.getBusinessObjectForLinkedPictogramElement(pe.eContainer as PictogramElement)
}
}
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