/**
* ------------------------------------------------------ Deletes and copies the parts that are
* selected in the given to this clipboard.
*
* @param editor the editor that contians the selected parts to cut
* @see MiEditor#getSelectedParts
* @see MiPart#isSelected ------------------------------------------------------
*/
public void cutSelectionToClipBoard(MiEditor editor) {
MiParts selectedParts = new MiParts();
editor.getSelectedParts(selectedParts);
for (int i = 0; i < selectedParts.size(); ++i) {
if (!selectedParts.get(i).isCopyable()) {
selectedParts.removeElementAt(i);
--i;
}
}
for (int i = 0; i < selectedParts.size(); ++i) {
MiPart part = selectedParts.elementAt(i);
editor.deSelect(part);
}
MiNestedTransaction nestedTransaction = new MiNestedTransaction(Mi_CUT_DISPLAY_NAME);
MiSystem.getTransactionManager().startTransaction(nestedTransaction);
// MiDeletePartsCommand deleteCmd = new MiDeletePartsCommand(editor, selectedParts, true);
MiParts pastableSelectedParts = MiUtility.makeCopyOfNetwork(selectedParts);
MiDeletePartsCommand deleteCmd =
MiSystem.getCommandBuilder().getDeletePartsCommand().create(editor, selectedParts, true);
MiChangeContentsTransaction replaceCmd =
new MiChangeContentsTransaction(this, pastableSelectedParts);
MiSystem.getTransactionManager().appendTransaction(Mi_CUT_DISPLAY_NAME, replaceCmd, deleteCmd);
deleteCmd.doit(editor, true);
replaceCmd.doit(this, pastableSelectedParts, true);
dispatchAction(Mi_CLIPBOARD_NOW_HAS_DATA_ACTION);
MiSystem.getTransactionManager().commitTransaction(nestedTransaction);
}
// Do not allow the one and only layer to be deleted.
protected void updateLayerAttributesState() {
int numberOfDeletableLayers = 0;
for (int i = 0; i < editor.getNumberOfLayers(); ++i) {
MiPart layer = editor.getLayer(i);
MiLayerAttributes layerAttributes =
(MiLayerAttributes)
layer.getResource(MiLayerAttributes.Mi_LAYER_ATTRIBUTES_RESOURCE_NAME);
if ((layerAttributes != null)
&& (layerAttributes.getEditability() != MiLayerAttributes.Mi_LAYER_NEVER_EDITABLE)) {
++numberOfDeletableLayers;
}
}
boolean deletable = numberOfDeletableLayers > 1;
for (int i = 0; i < editor.getNumberOfLayers(); ++i) {
MiPart layer = editor.getLayer(i);
MiLayerAttributes layerAttributes =
(MiLayerAttributes)
layer.getResource(MiLayerAttributes.Mi_LAYER_ATTRIBUTES_RESOURCE_NAME);
if (layerAttributes != null) {
layerAttributes.setDeletable(deletable);
layerAttributes.updateCommandManagerState();
}
}
}
/**
* ------------------------------------------------------ Sets whether the order of the MiParts in
* the layers are kept such that MiConnections are at the begining of the list. This is useful
* when and one does not want connections to be drawn in front of the nodes.
*
* @param flag true if connections to be drawn first
* @see MiConnection#setTruncateLineAtEndPointPartBoundries
* @see MiContainer#setKeepConnectionsBelowNodes
* @see #getKeepConnectionsBelowNodes ------------------------------------------------------
*/
public void setKeepConnectionsBelowNodes(boolean flag) {
keepConnectionsBelowNodes = flag;
for (int i = 0; i < editor.getNumberOfLayers(); ++i) {
if (editor.getLayer(i) instanceof MiContainer) {
((MiContainer) editor.getLayer(i)).setKeepConnectionsBelowNodes(flag);
}
}
}
public void setTargetEditor(MiEditor editor) {
if (mouseLocationEditor != null) {
mouseLocationEditor.removeEventHandler(mouseLocationMonitor);
}
mouseLocationEditor = editor;
mouseLocationMonitor =
new MiMouseLocationDisplayMonitor(getField(X_FIELD_INDEX), getField(Y_FIELD_INDEX));
mouseLocationEditor.appendEventHandler(mouseLocationMonitor);
}
public void appendNewLayer() {
MiContainer layer = new MiLayer();
layer.setKeepConnectionsBelowNodes(keepConnectionsBelowNodes);
layer.setLayout(new MiSizeOnlyLayout());
// layer.setName("Layer " + editor.getNumberOfLayers());
editor.appendLayer(layer);
}
public boolean processAction(MiiAction action) {
MiPart layer = (MiPart) action.getActionSystemInfo();
if (action.hasActionType(Mi_EDITOR_LAYER_ADDED_ACTION)) {
appendModelEntity(new MiLayerAttributes(layer));
updateLayerAttributesState();
} else if (action.hasActionType(Mi_EDITOR_LAYER_REMOVED_ACTION)) {
MiLayerAttributes layerAttributes =
(MiLayerAttributes)
layer.getResource(MiLayerAttributes.Mi_LAYER_ATTRIBUTES_RESOURCE_NAME);
if (layerAttributes != null) {
removeModelEntity(layerAttributes);
}
updateLayerAttributesState();
} else if (action.hasActionType(Mi_EDITOR_LAYER_ORDER_CHANGED_ACTION)) {
removeAllModelEntities();
for (int i = 0; i < editor.getNumberOfLayers(); ++i) {
layer = editor.getLayer(i);
MiLayerAttributes layerAttributes =
(MiLayerAttributes)
layer.getResource(MiLayerAttributes.Mi_LAYER_ATTRIBUTES_RESOURCE_NAME);
if (layerAttributes == null) {
layerAttributes = new MiLayerAttributes(layer);
}
appendModelEntity(layerAttributes);
}
updateLayerAttributesState();
} else if (action.hasActionType(Mi_EDITOR_CURRENT_LAYER_CHANGED_ACTION)) {
MiPart currentLayer = editor.getCurrentLayer();
MiModelEntityList list = getModelEntities();
for (int i = 0; i < list.size(); ++i) {
MiLayerAttributes atts = (MiLayerAttributes) list.elementAt(i);
if (atts.getLayer() == currentLayer) atts.setCurrent(true);
else if (atts.isCurrent()) atts.setCurrent(false);
}
updateLayerAttributesState();
}
return (true);
}
public MiLayerManager(MiEditor editor) {
this.editor = editor;
editor.setHasLayers(true);
for (int i = 0; i < editor.getNumberOfLayers(); ++i) {
MiPart layer = editor.getLayer(i);
MiLayerAttributes layerAttributes = new MiLayerAttributes(layer);
appendModelEntity(layerAttributes);
}
editor.appendActionHandler(this, Mi_EDITOR_LAYER_ADDED_ACTION);
editor.appendActionHandler(this, Mi_EDITOR_LAYER_REMOVED_ACTION);
editor.appendActionHandler(this, Mi_EDITOR_LAYER_ORDER_CHANGED_ACTION);
editor.appendActionHandler(this, Mi_EDITOR_CURRENT_LAYER_CHANGED_ACTION);
}
/**
* ------------------------------------------------------ Copies the parts that are selected in
* the given to this clipboard.
*
* @param editor the editor that contians the selected parts to copy
* @see MiEditor#getSelectedParts
* @see MiPart#isSelected ------------------------------------------------------
*/
public void copySelectionToClipBoard(MiEditor editor) {
MiParts selectedObjects = new MiParts();
editor.getSelectedParts(selectedObjects);
for (int i = 0; i < selectedObjects.size(); ++i) {
if (!selectedObjects.get(i).isCopyable()) {
selectedObjects.removeElementAt(i);
--i;
}
}
selectedObjects = MiUtility.makeCopyOfNetwork(selectedObjects);
MiChangeContentsTransaction cmd = new MiChangeContentsTransaction(this, selectedObjects);
cmd.doit(this, selectedObjects, true);
MiSystem.getTransactionManager().appendTransaction(cmd);
dispatchAction(Mi_CLIPBOARD_NOW_HAS_DATA_ACTION);
}
/**
* ------------------------------------------------------ Pastes the graphics from this clipBoard
* into the given editor translated by the given amount
*
* @param editor the target editor
* @param translation the translation amount
* ------------------------------------------------------
*/
public void pasteFromClipBoard(MiEditor editor, MiVector translation) {
MiParts parts = new MiParts();
for (int i = 0; i < getNumberOfParts(); ++i) {
parts.addElement(getPart(i));
}
HashMap mapOfConnToItsPoints = new HashMap();
// MiDebug.println("pasteFromClipBoard parts = " + parts);
parts = MiUtility.makeCopyOfNetwork(parts);
// MiDebug.println("2 pasteFromClipBoard parts = " + parts);
// Save up where the connections lie now, before their nodes are
// placed which tends to wack out the connection's orientation
for (int i = 0; i < parts.size(); ++i) {
MiPart obj = parts.elementAt(i);
if (obj instanceof MiConnection) {
ArrayList listOfPoints = new ArrayList();
for (int j = 0; j < obj.getNumberOfPoints(); ++j) {
listOfPoints.add(obj.getPoint(j));
}
mapOfConnToItsPoints.put(obj, listOfPoints);
}
}
MiNestedTransaction nestedTransaction = new MiNestedTransaction(Mi_PASTE_DISPLAY_NAME);
MiSystem.getTransactionManager().startTransaction(nestedTransaction);
// Assume makeCopyOfNetwork list has nodes come first, followed by connections
for (int i = 0; i < parts.size(); ++i) {
MiPart obj = parts.elementAt(i);
if (obj instanceof MiConnection) {
obj.validateLayout();
MiiLayout layout = obj.getLayout();
obj.setLayout(null);
ArrayList listOfPoints = (ArrayList) mapOfConnToItsPoints.get(obj);
MiVector connTranslation = new MiVector(translation);
MiConnection conn = (MiConnection) obj;
int startPoint = 0;
if (conn.getSource() != null) {
startPoint = 1;
connTranslation.x = conn.getPoint(0).x - ((MiPoint) listOfPoints.get(0)).x;
connTranslation.y = conn.getPoint(0).y - ((MiPoint) listOfPoints.get(0)).y;
}
int endPoint = listOfPoints.size();
if (conn.getDestination() != null) {
// If we are not going to truncate the number of points in the
// connection to what it was, then the last point of of the
// connection ends at a node, so we do not need or want to set
// it, so decrease endPoint, which is the last point we are to modify
if (conn.getNumberOfPoints() == listOfPoints.size()) {
--endPoint;
}
int lastPoint = conn.getNumberOfPoints() - 1;
connTranslation.x =
conn.getPoint(lastPoint).x - ((MiPoint) listOfPoints.get(listOfPoints.size() - 1)).x;
connTranslation.y =
conn.getPoint(lastPoint).y - ((MiPoint) listOfPoints.get(listOfPoints.size() - 1)).y;
}
// Conns are now translatable so this has been done...
// connTranslation = new MiVector();
conn.getGraphics().setNumberOfPoints(listOfPoints.size());
for (int j = startPoint; j < endPoint; ++j) {
MiPoint pt = (MiPoint) listOfPoints.get(j);
obj.setPoint(j, pt.x + connTranslation.x, pt.y + connTranslation.y);
}
obj.setLayout(layout);
}
// MiDebug.println("paste obj = " + obj);
MiDataTransferOperation transfer = new MiDataTransferOperation(obj);
MiPoint targetPosition = obj.getCenter();
targetPosition.translate(translation);
transfer.setData(obj);
transfer.setTarget(editor.getCurrentLayer());
transfer.setLookTargetPosition(targetPosition);
transfer.setLookTargetBounds(obj.getBounds().translate(translation));
transfer.setDataFormat(MiDataTransferOperation.getCommonDataFormat(this, editor));
editor.doImport(transfer);
editor.dispatchAction(Mi_DATA_IMPORT_ACTION, transfer);
}
// MiDeletePartsCommand createCmd = new MiDeletePartsCommand(editor, parts, false);
// MiDebug.println("3 pasteFromClipBoard parts = " + parts);
MiDeletePartsCommand createCmd =
MiSystem.getCommandBuilder().getDeletePartsCommand().create(editor, parts, false);
MiSystem.getTransactionManager()
.appendTransaction(new MiNestedTransaction(Mi_PASTE_DISPLAY_NAME, createCmd));
MiSystem.getTransactionManager().commitTransaction(nestedTransaction);
}
/**
* ------------------------------------------------------ Pastes the parts in this clipboard to
* the given editor. The location the (center of) parts are copied to is the cursor location (if
* the cursor is within the editor) oor the center of the editor (if not).
*
* @param editor the editor to copy parts into.
* @see MiEditor#getMousePosition ------------------------------------------------------
*/
public void pasteFromClipBoard(MiEditor editor) {
if (editor.getWorldBounds().intersects(editor.getMousePosition().getCenter()))
pasteFromClipBoard(editor, editor.getMousePosition().getCenter());
else pasteFromClipBoard(editor, editor.getWorldBounds().getCenter());
}
public void deleteSelf() {
if (mouseLocationEditor != null) mouseLocationEditor.removeEventHandler(mouseLocationMonitor);
super.deleteSelf();
}
public MiLayerAttributes getLayerAttributes(int index) {
MiPart layer = editor.getLayer(index);
return ((MiLayerAttributes)
layer.getResource(MiLayerAttributes.Mi_LAYER_ATTRIBUTES_RESOURCE_NAME));
}
