Tree Layout with vertical position constraints #960
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <classpath> | ||
| <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/> | ||
| <classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/> | ||
| <classpathentry kind="src" path="src"/> | ||
| <classpathentry kind="src" path="src-gen"/> | ||
| <classpathentry kind="output" path="bin"/> | ||
| </classpath> | ||
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <projectDescription> | ||
| <name>org.eclipse.elk.alg.vertiflex</name> | ||
| <comment></comment> | ||
| <projects> | ||
| </projects> | ||
| <buildSpec> | ||
| <buildCommand> | ||
| <name>org.eclipse.xtext.ui.shared.xtextBuilder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| <buildCommand> | ||
| <name>org.eclipse.jdt.core.javabuilder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| <buildCommand> | ||
| <name>org.eclipse.pde.ManifestBuilder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| <buildCommand> | ||
| <name>org.eclipse.pde.SchemaBuilder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| <buildCommand> | ||
| <name>net.sf.eclipsecs.core.CheckstyleBuilder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| <buildCommand> | ||
| <name>org.eclipse.m2e.core.maven2Builder</name> | ||
| <arguments> | ||
| </arguments> | ||
| </buildCommand> | ||
| </buildSpec> | ||
| <natures> | ||
| <nature>org.eclipse.m2e.core.maven2Nature</nature> | ||
| <nature>org.eclipse.pde.PluginNature</nature> | ||
| <nature>org.eclipse.jdt.core.javanature</nature> | ||
| <nature>org.eclipse.xtext.ui.shared.xtextNature</nature> | ||
| </natures> | ||
| </projectDescription> |
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| eclipse.preferences.version=1 | ||
| formatter_profile=_Elk | ||
| formatter_settings_version=12 | ||
| org.eclipse.jdt.ui.javadoc=true | ||
| org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates><template autoinsert\="true" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment">/**\n * @return the ${bare_field_name}\n */</template><template autoinsert\="true" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment">/**\n * @param ${param} the ${bare_field_name} to set\n */</template><template autoinsert\="true" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment">/**\n * ${tags}\n */</template><template autoinsert\="false" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecomment" name\="filecomment">/*******************************************************************************\n * Copyright (c) ${year} ${user} and others.\n * \n * This program and the accompanying materials are made available under the\n * terms of the Eclipse Public License 2.0 which is available at\n * http://www.eclipse.org/legal/epl-2.0.\n * \n * SPDX-License-Identifier: EPL-2.0 \n *******************************************************************************/</template><template autoinsert\="true" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\n * @author ${user}\n *\n * ${tags}\n */</template><template autoinsert\="true" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" 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description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">${filecomment}\n${package_declaration}\n\n${typecomment}\n${type_declaration}</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\n</template><template autoinsert\="true" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation 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stub</template><template autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template></templates> |
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| Manifest-Version: 1.0 | ||
| Automatic-Module-Name: org.eclipse.elk.alg.vertiflex | ||
| Bundle-ManifestVersion: 2 | ||
| Bundle-Name: VertiFlex Tree Layout Algorithm | ||
|
Contributor
There was a problem hiding this comment. Other algorithm names start with ELK |
||
| Bundle-SymbolicName: org.eclipse.elk.alg.vertiflex;singleton:=true | ||
| Bundle-Version: 0.11.0.qualifier | ||
| Bundle-Vendor: Eclipse Modeling Project | ||
| Bundle-RequiredExecutionEnvironment: JavaSE-17 | ||
| Require-Bundle: com.google.guava, | ||
| org.eclipse.elk.alg.common, | ||
| org.eclipse.elk.core, | ||
| org.eclipse.elk.graph, | ||
| org.eclipse.emf.common | ||
| Export-Package: org.eclipse.elk.alg.vertiflex, | ||
| org.eclipse.elk.alg.vertiflex.options | ||
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" | ||
| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | ||
| <html xmlns="http://www.w3.org/1999/xhtml"> | ||
| <head> | ||
| <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /> | ||
| <title>About</title> | ||
| </head> | ||
| <body lang="EN-US"> | ||
| <h2>About This Content</h2> | ||
|
|
||
| <p>October 11, 2023</p> | ||
| <h3>License</h3> | ||
|
|
||
| <p> | ||
| The Eclipse Foundation makes available all content in this plug-in | ||
| ("Content"). Unless otherwise indicated below, the Content | ||
| is provided to you under the terms and conditions of the Eclipse | ||
| Public License Version 2.0 ("EPL"). A copy of the EPL is | ||
| available at <a href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>. | ||
| For purposes of the EPL, "Program" will mean the Content. | ||
| </p> | ||
|
|
||
| <p> | ||
| If you did not receive this Content directly from the Eclipse | ||
| Foundation, the Content is being redistributed by another party | ||
| ("Redistributor") and different terms and conditions may | ||
| apply to your use of any object code in the Content. Check the | ||
| Redistributor's license that was provided with the Content. If no such | ||
| license exists, contact the Redistributor. Unless otherwise indicated | ||
| below, the terms and conditions of the EPL still apply to any source | ||
| code in the Content and such source code may be obtained at <a | ||
| href="http://www.eclipse.org/">http://www.eclipse.org</a>. | ||
| </p> | ||
|
|
||
| </body> | ||
| </html> |
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| ############################################################################### | ||
| # Copyright (c) 2023 Kiel University and others. | ||
| # | ||
| # This program and the accompanying materials are made available under the | ||
| # terms of the Eclipse Public License 2.0 which is available at | ||
| # http://www.eclipse.org/legal/epl-2.0. | ||
| # | ||
| # SPDX-License-Identifier: EPL-2.0 | ||
| ############################################################################### | ||
| source.. = src/,\ | ||
| src-gen/ | ||
| output.. = bin/ | ||
| bin.includes = META-INF/,\ | ||
| .,\ | ||
| about.html | ||
| src.includes = about.html |
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| Vertiflex is a special tree drawing algorithm that diverges from the classic aesthetic constraint that requires nodes to be assigned to discrete layers. | ||
| Instead each node may now come with its own defined height constraint. | ||
| Nodes that do not define their own height constraint are assigned a location based on the defined spacings and the other nodes in the graph. | ||
|
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|  | ||
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| The wrapper node in the example illustrates the vertical constraints. | ||
| The node *n1* has a vertical constraint of 115 (see [_ELK's coordinate system_]({{< relref "documentation/tooldevelopers/graphdatastructure/coordinatesystem.html" >}}). | ||
| The node's *n4*, *n7* and *n8* have no vertical constraint and are placed below *n3* to satisfy the specified node node spacing. | ||
|
|
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!-- | ||
| Copyright (c) 2023 Kiel University and others. | ||
|
|
||
| This program and the accompanying materials are made available under the | ||
| terms of the Eclipse Public License 2.0 which is available at | ||
| http://www.eclipse.org/legal/epl-2.0. | ||
|
|
||
| SPDX-License-Identifier: EPL-2.0 | ||
| --> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>org.eclipse.elk</groupId> | ||
| <artifactId>parent</artifactId> | ||
| <version>0.11.0-SNAPSHOT</version> | ||
| <relativePath>../../build/pom.xml</relativePath> | ||
| </parent> | ||
|
|
||
| <groupId>org.eclipse.elk</groupId> | ||
| <artifactId>org.eclipse.elk.alg.vertiflex</artifactId> | ||
| <name>ELK Y Constraint Tree Layout Algorithm</name> | ||
| <version>0.11.0-SNAPSHOT</version> | ||
| <description>Tree drawing algorithm with y-level constraints.</description> | ||
| <packaging>eclipse-plugin</packaging> | ||
|
|
||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.eclipse.elk</groupId> | ||
| <artifactId>org.eclipse.elk.core</artifactId> | ||
| <version>0.11.0-SNAPSHOT</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.eclipse.elk</groupId> | ||
| <artifactId>org.eclipse.elk.alg.common</artifactId> | ||
| <version>0.11.0-SNAPSHOT</version> | ||
| </dependency> | ||
| </dependencies> | ||
|
|
||
| <build> | ||
| <plugins> | ||
| <!-- Generate code from .melk files. --> | ||
| <plugin> | ||
| <groupId>org.eclipse.xtext</groupId> | ||
| <artifactId>xtext-maven-plugin</artifactId> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </project> |
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|---|---|---|
| @@ -0,0 +1 @@ | ||
| org.eclipse.elk.alg.vertiflex.options.VertiFlexMetaDataProvider |
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| /******************************************************************************* | ||
| * Copyright (c) 2023 Kiel University and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| *******************************************************************************/ | ||
| package org.eclipse.elk.alg.vertiflex; | ||
|
|
||
| /** | ||
| * Strategies for routing edges in the tree layout. | ||
| * | ||
| */ | ||
| public enum EdgeRoutingStrategy { | ||
|
|
||
| /** | ||
| * Straight lines between nodes. | ||
| */ | ||
| STRAIGHT, | ||
|
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| /** | ||
| * Allow one bend point in edges to enable more compact layouts while also maintaining the node model order. | ||
| */ | ||
| BEND | ||
|
|
||
| } |
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| /******************************************************************************* | ||
| * Copyright (c) 2023 Kiel University and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| *******************************************************************************/ | ||
| package org.eclipse.elk.alg.vertiflex; | ||
|
|
||
| import org.eclipse.elk.alg.vertiflex.p2relative.OutlineNode; | ||
| import org.eclipse.elk.graph.ElkNode; | ||
| import org.eclipse.elk.graph.properties.IProperty; | ||
| import org.eclipse.elk.graph.properties.Property; | ||
|
|
||
| /** | ||
| * The internal properties of the tree layouter. Properties that are used internally | ||
| * but do not need to be public are stored here. | ||
| * | ||
| */ | ||
| public final class InternalProperties { | ||
|
|
||
| /** | ||
| * Private constructor to prevent initialization. | ||
| */ | ||
| private InternalProperties() { } | ||
|
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| /** | ||
| * Defines the left outline of this subtree. | ||
| */ | ||
| public static final IProperty<OutlineNode> LEFT_OUTLINE = new Property<OutlineNode>("LEFT_OUTLINE"); | ||
|
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||
| /** | ||
| * Defines the right outline of this subtree. | ||
| */ | ||
| public static final IProperty<OutlineNode> RIGHT_OUTLINE = new Property<OutlineNode>("RIGHT_OUTLINE"); | ||
|
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||
| /** | ||
| * Defines the maximum depth of outlines. This is the lowest point of the outline in the tree layout. | ||
| */ | ||
| public static final IProperty<Double> OUTLINE_MAX_DEPTH = new Property<Double>("OUTLINE_MAX_DEPTH"); | ||
|
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| /** Defines the canvas of the tree. */ | ||
| public static final IProperty<Double> MIN_X = new Property<Double>("MIN_X"); | ||
|
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| /** Defines the canvas of the tree. */ | ||
| public static final IProperty<Double> MAX_X = new Property<Double>("MAX_X"); | ||
|
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| /** Defines the canvas of the tree. */ | ||
| public static final IProperty<Double> MIN_Y = new Property<Double>("MIN_Y"); | ||
|
|
||
| /** Defines the canvas of the tree. */ | ||
| public static final IProperty<Double> MAX_Y = new Property<Double>("MAX_Y"); | ||
|
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| /** The root node of the graph. */ | ||
| public static final IProperty<ElkNode> ROOT_NODE = new Property<ElkNode>("root"); | ||
|
|
||
| /** | ||
| * Defines the bendpoint of an edge. | ||
| */ | ||
| public static final IProperty<Double> EDGE_BEND_HEIGHT = new Property<Double>("EDGE_BEND_HEIGHT"); | ||
|
|
||
| /** | ||
| * Stores the model order of nodes. Smaller values come before larger values. | ||
| */ | ||
| public static final IProperty<Integer> NODE_MODEL_ORDER = new Property<Integer>("Node Model Order"); | ||
|
|
||
| } |
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| /******************************************************************************* | ||
| * Copyright (c) 2023 Kiel University and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| *******************************************************************************/ | ||
| package org.eclipse.elk.alg.vertiflex | ||
|
|
||
| import org.eclipse.elk.alg.vertiflex.EdgeRoutingStrategy | ||
| import org.eclipse.elk.alg.vertiflex.VertiFlexLayoutProvider | ||
| import org.eclipse.elk.core.math.ElkPadding | ||
|
|
||
| /** | ||
| * Declarations for the ELK VertiFlex tree layout algorithm. | ||
| */ | ||
| bundle { | ||
| metadataClass options.VertiFlexMetaDataProvider | ||
| idPrefix org.eclipse.elk.vertiflex | ||
| } | ||
|
|
||
| algorithm vertiflex(VertiFlexLayoutProvider) { | ||
| label "ELK VertiFlex" | ||
| description | ||
| "Tree layout algorithm that allows defining set vertical positions for nodes | ||
| rather than automatically placing nodes on levels according to their topology." | ||
| documentation "@vertiflex.md" | ||
| metadataClass options.VertiFlexOptions | ||
| category org.eclipse.elk.tree | ||
| features multi_edges, edge_labels | ||
| supports org.eclipse.elk.spacing.nodeNode = 20 | ||
| supports org.eclipse.elk.padding = new ElkPadding(5) | ||
| supports org.eclipse.elk.interactive | ||
| supports org.eclipse.elk.portConstraints | ||
| supports org.eclipse.elk.edgeLabels.inline = false | ||
| // Common node micro layout | ||
| supports org.eclipse.elk.omitNodeMicroLayout | ||
| supports org.eclipse.elk.margins | ||
| // Algorithm specific properties | ||
| supports verticalConstraint | ||
| supports layoutStrategy | ||
| supports layerDistance | ||
| supports considerNodeModelOrder | ||
|
|
||
| } | ||
|
|
||
| option verticalConstraint: double { | ||
| label "Fixed vertical position" | ||
| description | ||
| "The Y position that the node should be fixed at." | ||
| targets nodes | ||
| } | ||
|
|
||
| option layoutStrategy: EdgeRoutingStrategy { | ||
| label "Edge layout strategy" | ||
| description | ||
| "Strategy for the layout of the children. 'straight' for straight line drawings, 'bend' for a possible bend. | ||
| When straight edges are prioritized the nodes will be reordered in order to guarantee that straight edges are | ||
| possible. If bend points are enabled on the other hand, the given model order of the nodes is maintained and | ||
| bend points are introduced to prevent edge node overlaps." | ||
| targets nodes | ||
| default = EdgeRoutingStrategy.STRAIGHT | ||
| } | ||
|
|
||
| option layerDistance: double { | ||
| label "Layer distance" | ||
| description | ||
| "The distance to use between nodes of different layers if no vertical constraints are set." | ||
| targets parents | ||
| default = 50.0 | ||
| } | ||
|
|
||
| option considerNodeModelOrder: boolean { | ||
| label "Consider node model order" | ||
| description | ||
| "Consider node model as a secondary criterion when using straight line routing." | ||
| targets parents | ||
| default = true | ||
| } |
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@Eddykasp Maybe we need a fix for this? I think we are already on a different JavaSE.