/**
* Notify this controller that the most recently created canvas has been tagged, such that if it
* is also linked, this controller can discern whether to collapse the chain and make the new
* canvsa sibling of the canvas it was created from.
*/
public void collapseLikeIntentionTypes() {
if (canvasCreationContext != null) {
long linkOriginCanvasId = canvasCreationContext.originatingCanvasId;
long parentCanvasId = 0L;
for (long anchorId :
CCanvasLinkController.getInstance()
.getAnchorIdsByCanvasId(canvasCreationContext.originatingCanvasId)) {
CCanvasLinkAnchor anchor = CCanvasLinkController.getInstance().getAnchor(anchorId);
if (anchor.getLink().getAnchorB() == anchor) {
parentCanvasId = anchor.getOpposite().getCanvasId();
break;
}
}
if (parentCanvasId > 0L) {
CIntentionCell newCell =
CIntentionCellController.getInstance()
.getCellByCanvasId(canvasCreationContext.newCanvasId);
CIntentionCell originatingCell =
CIntentionCellController.getInstance()
.getCellByCanvasId(canvasCreationContext.originatingCanvasId);
if ((newCell != null)
&& (originatingCell != null)
&& (originatingCell.getIntentionTypeId() == newCell.getIntentionTypeId())) {
linkOriginCanvasId = parentCanvasId;
}
}
// collapse like tags
CCanvasLinkController.getInstance()
.createLink(linkOriginCanvasId, canvasCreationContext.newCanvasId);
}
}
@Override
public void clearContent(long canvas_uuid) {
CCanvasLinkController.getInstance().clearLinks(canvas_uuid);
long cellId = CIntentionCellController.getInstance().getCellByCanvasId(canvas_uuid).getId();
CIntentionCellController.getInstance().clearCell(cellId);
}
/**
* Notify this controller that the Canvas View is now showing <code>canvasId</code>. Updates all
* visual components accordingly.
*/
public void canvasChanged(long canvasId) {
currentCanvasId = canvasId;
CanvasTitlePanel.getInstance().moveTo(canvasId);
CanvasTagPanel.getInstance().moveTo(canvasId);
CCanvasLinkController.getInstance().showingCanvas(canvasId);
CIntentionCell cell = CIntentionCellController.getInstance().getCellByCanvasId(canvasId);
if (cell == null) {
showTagPanel(false);
} else {
showTagPanel(!cell.hasIntentionType());
}
if ((canvasCreationContext != null) && (canvasId != canvasCreationContext.newCanvasId)) {
canvasCreationContext = null;
}
}