Examples with Canvas org.eclipse.swt.widgets.Canvas used on opensource projects

Example 11 with Canvas

use of org.eclipse.swt.widgets.Canvas in project cubrid-manager by CUBRID.

the class ERDThumbnailViewPart method drawThumbnail.

/**
	 * Draw the thumbnail
	 * 
	 * @param rootEditPart
	 */
private void drawThumbnail(ScalableFreeformRootEditPart rootEditPart) {
    canvas = new Canvas(container, SWT.None);
    canvas.setLayout(new FillLayout());
    canvas.setBackground(ResourceManager.getColor(SWT.COLOR_WHITE));
    liSystem = new LightweightSystem(canvas);
    thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
    thumbnail.setViewport((Viewport) rootEditPart.getFigure());
    thumbnail.setSource(rootEditPart.getLayer(LayerConstants.SCALABLE_LAYERS));
    liSystem.setContents(thumbnail);
    container.layout();
}

Example 12 with Canvas

use of org.eclipse.swt.widgets.Canvas in project tdi-studio-se by Talend.

the class ComponentChooseDialog method dragOver.

@Override
public void dragOver(DropTargetEvent event) {
    // multi-drag for job,context, sqlPattern.
    IStructuredSelection selection = getSelection();
    if (selection.size() > 1) {
        boolean allowed = true;
        Item temItem = null;
        Iterator iter = selection.iterator();
        while (iter.hasNext()) {
            Object next = iter.next();
            if (next instanceof RepositoryNode) {
                RepositoryNode sourceNode = (RepositoryNode) next;
                IRepositoryViewObject object = sourceNode.getObject();
                if (object != null) {
                    Item selectItem = object.getProperty().getItem();
                    if (temItem == null) {
                        temItem = selectItem;
                        continue;
                    }
                    if (selectItem instanceof ProcessItem && !(temItem instanceof ProcessItem)) {
                        allowed = false;
                    } else if (selectItem instanceof ContextItem && !(temItem instanceof ContextItem)) {
                        allowed = false;
                    } else if (selectItem instanceof SQLPatternItem && !(temItem instanceof SQLPatternItem)) {
                        allowed = false;
                    }
                }
            }
        }
        if (!allowed) {
            event.detail = DND.DROP_NONE;
        }
    } else {
        CreateRequest req = ((CreateRequest) getTargetRequest());
        Object o = null;
        try {
            o = req.getNewObject();
        } catch (Exception e) {
            return;
        }
        if (!(o instanceof Node)) {
            return;
        }
        RootEditPart rep = editor.getViewer().getRootEditPart().getRoot();
        Point viewOriginalPosition = new Point();
        if (rep instanceof ScalableFreeformRootEditPart) {
            ScalableFreeformRootEditPart root = (ScalableFreeformRootEditPart) rep;
            Viewport viewport = (Viewport) root.getFigure();
            viewOriginalPosition = viewport.getViewLocation();
        }
        org.eclipse.swt.graphics.Point swtLocation = new org.eclipse.swt.graphics.Point(event.x + viewOriginalPosition.x, event.y + viewOriginalPosition.y);
        Canvas canvas = (Canvas) editor.getViewer().getControl();
        swtLocation = canvas.toControl(swtLocation);
        // System.out.println("topLeft:" + topLeftpoint + " / event:" + swtLocation);
        org.eclipse.draw2d.geometry.Point draw2dPosition = new org.eclipse.draw2d.geometry.Point(swtLocation.x, swtLocation.y);
        double zoom = 1.0;
        if (editor.getViewer().getRootEditPart() instanceof TalendScalableFreeformRootEditPart) {
            ZoomManager zoomManager = ((TalendScalableFreeformRootEditPart) editor.getViewer().getRootEditPart()).getZoomManager();
            zoom = zoomManager.getZoom();
        }
        List<ConnectionPart> connectionParts = CreateComponentOnLinkHelper.getConnectionParts(editor.getProcessPart(), draw2dPosition, (Node) o);
        double minDistance = 1000000000;
        for (ConnectionPart part : connectionParts) {
            if (part.getFigure() instanceof PolylineConnection) {
                PolylineConnection connection = (PolylineConnection) part.getFigure();
                double distance = CreateComponentOnLinkHelper.getDistanceOrthogonal(draw2dPosition.x, draw2dPosition.y, connection, zoom);
                if (distance < minDistance) {
                    selectedConnectionPart = part;
                    minDistance = Math.min(distance, minDistance);
                }
            }
        }
        if (selectedConnectionPart != null && minDistance < 15) {
            for (Object child : editor.getProcessPart().getChildren()) {
                if (child instanceof SubjobContainerPart) {
                    CreateComponentOnLinkHelper.unselectAllConnections((SubjobContainerPart) child);
                }
            }
            CreateComponentOnLinkHelper.selectConnection(selectedConnectionPart);
        } else {
            if (selectedConnectionPart != null) {
                CreateComponentOnLinkHelper.unselectConnection(selectedConnectionPart);
            }
            selectedConnectionPart = null;
        }
    }
}

Example 13 with Canvas

use of org.eclipse.swt.widgets.Canvas in project tesb-studio-se by Talend.

the class CamelEditorDropTargetListener method createNewComponent.

public void createNewComponent(DropTargetEvent event1) {
    boolean quickCreateInput = event1.detail == DND.DROP_LINK;
    boolean quickCreateOutput = event1.detail == DND.DROP_COPY;
    List<TempStore> list = new ArrayList<TempStore>();
    List<IComponent> components = new ArrayList<IComponent>();
    for (Object obj : selectSourceList) {
        if (obj instanceof RepositoryNode) {
            RepositoryNode sourceNode = (RepositoryNode) obj;
            ERepositoryObjectType type = sourceNode.getObjectType();
            Item item = sourceNode.getObject().getProperty().getItem();
            TempStore store = new TempStore();
            store.seletetedNode = sourceNode;
            getAppropriateComponent(item, quickCreateInput, quickCreateOutput, store, type);
            if (store.component != null) {
                list.add(store);
            } else {
                MessageDialog.openInformation(editor.getEditorSite().getShell(), //$NON-NLS-1$
                Messages.getString("TalendEditorDropTargetListener.dngsupportdialog.title"), //$NON-NLS-1$
                Messages.getString("TalendEditorDropTargetListener.dngsupportdialog.content"));
                return;
            }
        }
        org.eclipse.swt.graphics.Point swtLocation = new org.eclipse.swt.graphics.Point(event1.x, event1.y);
        Canvas canvas = (Canvas) editor.getViewer().getControl();
        /*
             * translate to Canvas coordinate
             */
        swtLocation = canvas.toControl(swtLocation);
        /*
             * translate to Viewport coordinate with zoom
             */
        org.eclipse.draw2d.geometry.Point draw2dPosition = new org.eclipse.draw2d.geometry.Point(swtLocation.x, swtLocation.y);
        /*
             * calcule the view port position. Take into acounte the scroll position
             */
        ProcessPart part = (ProcessPart) editor.getViewer().getRootEditPart().getRoot().getChildren().get(0);
        IFigure targetFigure = part.getFigure();
        translateAbsolateToRelative(targetFigure, draw2dPosition);
        // creates every node
        for (TempStore store : list) {
            RepositoryNode selectedNode = store.seletetedNode;
            IComponent element = store.component;
            if (!components.contains(element)) {
                components.add(element);
            }
            Node node = new Node(element);
            IPreferenceStore preferenceStore = DesignerPlugin.getDefault().getPreferenceStore();
            if (preferenceStore.getBoolean(TalendDesignerPrefConstants.USE_REPOSITORY_NAME)) {
                String LabelValue = null;
                if (CorePlugin.getDefault().getDesignerCoreService().getPreferenceStore(TalendDesignerPrefConstants.DEFAULT_LABEL).equals(node.getPropertyValue(EParameterName.LABEL.getName()))) {
                    // dnd a default
                    LabelValue = selectedNode.getObject().getLabel();
                }
                if (LabelValue != null) {
                    node.setPropertyValue(EParameterName.LABEL.getName(), LabelValue);
                }
            }
            NodeContainer nc = ((Process) node.getProcess()).loadNodeContainer(node, false);
            // create the node on the design sheet
            execCommandStack(new CreateNodeContainerCommand((Process) editor.getProcess(), nc, draw2dPosition));
            // initialize the propertiesView
            CompoundCommand cc = new CompoundCommand();
            createRefreshingPropertiesCommand(cc, selectedNode, node);
            execCommandStack(cc);
            draw2dPosition = draw2dPosition.getCopy();
            draw2dPosition.x += TalendEditor.GRID_SIZE;
            draw2dPosition.y += TalendEditor.GRID_SIZE;
            node.checkNode();
        }
    }
}