Examples with GraphConnection org.eclipse.zest.core.widgets.GraphConnection used on opensource projects

Example 6 with GraphConnection

use of org.eclipse.zest.core.widgets.GraphConnection in project archi by archimatetool.

the class AbstractStructuredGraphViewer method setSelectionToWidget.

/*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.jface.viewers.StructuredViewer#setSelectionToWidget(java.
     * util.List, boolean)
     */
@Override
protected void setSelectionToWidget(List l, boolean reveal) {
    Graph control = (Graph) getControl();
    List selection = new LinkedList();
    for (Iterator i = l.iterator(); i.hasNext(); ) {
        Object obj = i.next();
        GraphNode node = (GraphNode) nodesMap.get(obj);
        GraphConnection conn = (GraphConnection) connectionsMap.get(obj);
        if (node != null) {
            selection.add(node);
        }
        if (conn != null) {
            selection.add(conn);
        }
    }
    control.setSelection((GraphNode[]) selection.toArray(new GraphNode[selection.size()]));
}

Example 7 with GraphConnection

use of org.eclipse.zest.core.widgets.GraphConnection in project archi by archimatetool.

the class AbstractStructuredGraphViewer method getRawChildren.

/*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.jface.viewers.StructuredViewer#getRawChildren(java.lang.Object
     * )
     */
@Override
protected Object[] getRawChildren(Object parent) {
    if (parent == getInput()) {
        // get the children from the model.
        LinkedList children = new LinkedList();
        if (getGraphControl() != null) {
            List connections = getGraphControl().getConnections();
            List nodes = getGraphControl().getNodes();
            for (Iterator i = connections.iterator(); i.hasNext(); ) {
                GraphConnection c = (GraphConnection) i.next();
                if (c.getExternalConnection() != null) {
                    children.add(c.getExternalConnection());
                }
            }
            for (Iterator i = nodes.iterator(); i.hasNext(); ) {
                GraphNode n = (GraphNode) i.next();
                if (n.getData() != null) {
                    children.add(n.getData());
                }
            }
            return children.toArray();
        }
    }
    return super.getRawChildren(parent);
}

Example 8 with GraphConnection

use of org.eclipse.zest.core.widgets.GraphConnection in project archi by archimatetool.

the class AbstractStructuredGraphViewer method inputChanged.

/*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.viewers.Viewer#inputChanged(java.lang.Object,
     * java.lang.Object)
     */
@Override
protected void inputChanged(Object input, Object oldInput) {
    IStylingGraphModelFactory factory = getFactory();
    factory.setConnectionStyle(getConnectionStyle());
    factory.setNodeStyle(getNodeStyle());
    // Save the old map so we can set the size and position of any nodes
    // that are the same
    Map oldNodesMap = nodesMap;
    Graph graph = (Graph) getControl();
    graph.setSelection(new GraphNode[0]);
    Iterator iterator = nodesMap.values().iterator();
    while (iterator.hasNext()) {
        GraphNode node = (GraphNode) iterator.next();
        if (!node.isDisposed()) {
            node.dispose();
        }
    }
    iterator = connectionsMap.values().iterator();
    while (iterator.hasNext()) {
        GraphConnection connection = (GraphConnection) iterator.next();
        if (!connection.isDisposed()) {
            connection.dispose();
        }
    }
    nodesMap = new HashMap();
    connectionsMap = new HashMap();
    graph = factory.createGraphModel(graph);
    ((Graph) getControl()).setNodeStyle(getNodeStyle());
    ((Graph) getControl()).setConnectionStyle(getConnectionStyle());
    // in this case we want them to keep the same location & size
    for (Iterator iter = oldNodesMap.keySet().iterator(); iter.hasNext(); ) {
        Object data = iter.next();
        GraphNode newNode = (GraphNode) nodesMap.get(data);
        if (newNode != null) {
            GraphNode oldNode = (GraphNode) oldNodesMap.get(data);
            newNode.setLocation(oldNode.getLocation().x, oldNode.getLocation().y);
            if (oldNode.isSizeFixed()) {
                newNode.setSize(oldNode.getSize().width, oldNode.getSize().height);
            }
        }
    }
    applyLayout();
}

Example 9 with GraphConnection

use of org.eclipse.zest.core.widgets.GraphConnection in project archi by archimatetool.

the class GraphItemStyler method styleItem.

public static void styleItem(GraphItem item, final IBaseLabelProvider labelProvider) {
    if (item instanceof GraphNode) {
        GraphNode node = (GraphNode) item;
        // set defaults.
        if (node.getGraphModel().getNodeStyle() != ZestStyles.NONE) {
            node.setNodeStyle(node.getGraphModel().getNodeStyle());
        } else {
            node.setNodeStyle(SWT.NONE);
        }
        Object entity = node.getData();
        if (labelProvider instanceof IEntityStyleProvider) {
            styleNode(node, (IEntityStyleProvider) labelProvider);
        }
        if (labelProvider instanceof IColorProvider) {
            IColorProvider colorProvider = (IColorProvider) labelProvider;
            node.setForegroundColor(colorProvider.getForeground(entity));
            node.setBackgroundColor(colorProvider.getBackground(entity));
        }
        if (labelProvider instanceof IFontProvider) {
            IFontProvider fontProvider = (IFontProvider) labelProvider;
            node.setFont(fontProvider.getFont(entity));
        }
        if (labelProvider instanceof ILabelProvider) {
            String text = ((ILabelProvider) labelProvider).getText(node.getData());
            // $NON-NLS-1$
            node.setText((text != null) ? text : "");
            node.setImage(((ILabelProvider) labelProvider).getImage(node.getData()));
        }
        if (labelProvider instanceof ISelfStyleProvider) {
            ((ISelfStyleProvider) labelProvider).selfStyleNode(entity, node);
        }
    } else if (item instanceof GraphConnection) {
        GraphConnection conn = (GraphConnection) item;
        // set defaults
        if (conn.getGraphModel().getConnectionStyle() != ZestStyles.NONE) {
            int s = conn.getGraphModel().getConnectionStyle();
            conn.setConnectionStyle(s);
        } else {
            conn.setConnectionStyle(SWT.NONE);
        }
        if (labelProvider instanceof ILabelProvider) {
            String text = ((ILabelProvider) labelProvider).getText(conn.getExternalConnection());
            // $NON-NLS-1$
            conn.setText((text != null) ? text : "");
            conn.setImage(((ILabelProvider) labelProvider).getImage(conn.getExternalConnection()));
        }
        if (labelProvider instanceof IEntityConnectionStyleProvider) {
            styleEntityConnection(conn, (IEntityConnectionStyleProvider) labelProvider);
        } else if (labelProvider instanceof IConnectionStyleProvider) {
            styleConnection(conn, (IConnectionStyleProvider) labelProvider);
        }
        int swt = getLineStyleForZestStyle(conn.getConnectionStyle());
        conn.setLineStyle(swt);
        if (labelProvider instanceof ISelfStyleProvider) {
            ((ISelfStyleProvider) labelProvider).selfStyleConnection(conn.getData(), conn);
        }
    }
}

Example 10 with GraphConnection

use of org.eclipse.zest.core.widgets.GraphConnection in project archi by archimatetool.

the class GraphModelEntityFactory method refresh.

/*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.zest.core.internal.graphmodel.IStylingGraphModelFactory#refresh
     * (org.eclipse.zest.core.internal.graphmodel.GraphModel, java.lang.Object)
     */
@Override
public void refresh(Graph graph, Object element, boolean refreshLabels) {
    if (element == null) {
        return;
    }
    GraphNode node = viewer.getGraphModelNode(element);
    if (node == null) {
        // check to make sure that the user didn't send us an edge.
        GraphConnection conn = viewer.getGraphModelConnection(element);
        if (conn != null) {
            // refresh on the connected nodes.
            refresh(graph, conn.getSource().getData(), refreshLabels);
            refresh(graph, conn.getDestination().getData(), refreshLabels);
            return;
        }
    }
    // can only refresh on nodes in this kind of factory.
    if (node == null) {
        // do nothing
        return;
    }
    reconnect(graph, element, refreshLabels);
    if (refreshLabels) {
        update(node);
        for (Iterator it = node.getSourceConnections().iterator(); it.hasNext(); ) {
            update((GraphItem) it.next());
        }
        for (Iterator it = node.getTargetConnections().iterator(); it.hasNext(); ) {
            update((GraphItem) it.next());
        }
    }
}