private void ungroupToParentGroupButton_Click(object sender, System.EventArgs e)
{
// get the group and its parent group
NGroup group = (view.Selection.AnchorNode as NGroup);
if (group == null)
{
return;
}
NGroup parentGroup = group.Group;
if (parentGroup == null)
{
return;
}
// create a new batch ungroup and check whether it can be executed
NBatchUngroup batchUngroup = new NBatchUngroup(document, view.Selection.Nodes);
if (batchUngroup.CanUngroup(parentGroup, false) == false)
{
return;
}
// ungroup the selected groups to the active layer
NNodeList shapes;
NTransactionResult res = batchUngroup.Ungroup(parentGroup, false, out shapes);
// single select the parent group if the ungroup was successful
if (res.Succeeded)
{
view.Selection.SingleSelect(parentGroup);
}
// ask the view to display any information about the transaction status (if it was not completed)
view.ProcessTransactionResult(res);
}
private void ungroupToLayerButton_Click(object sender, System.EventArgs e)
{
// create a new batch ungroup and check whether it can be executed
NBatchUngroup batchUngroup = new NBatchUngroup(document, view.Selection.Nodes);
if (batchUngroup.CanUngroup(document.ActiveLayer, false) == false)
{
return;
}
// ungroup the selected groups to the active layer
NNodeList shapes;
NTransactionResult res = batchUngroup.Ungroup(document.ActiveLayer, false, out shapes);
// single select the ungrouped shapes if the ungroup was successful
if (res.Succeeded)
{
view.Selection.SingleSelect(shapes);
}
// ask the view to display any information about the transaction status (if it was not completed)
view.ProcessTransactionResult(res);
}
private void UpdateControlsState()
{
PauseEventsHandling();
// get the selected nodes
NNodeList selectedNodes = view.Selection.Nodes;
if (selectedNodes.Count == 0)
{
// if not nodes are selected - disable form controls
selectedGroupsActionsGroup.Enabled = false;
selectedShapesActionsGroup.Enabled = false;
}
else if (selectedNodes.Count == 1)
{
// if the selected node is a group
NGroup group = (view.Selection.AnchorNode as NGroup);
if (group != null)
{
selectedGroupsActionsGroup.Enabled = true;
// check whether the group can be ungrouped to layer
NBatchUngroup batchUngroup = new NBatchUngroup(document, selectedNodes);
ungroupToLayerButton.Enabled = batchUngroup.CanUngroup(document.ActiveLayer, false);
// check whether the group can be ungrouped to a parent group
NGroup parentGroup = group.Group;
if (parentGroup != null)
{
ungroupToParentGroupButton.Enabled = batchUngroup.CanUngroup(parentGroup, false);
}
else
{
ungroupToParentGroupButton.Enabled = false;
}
// update the protect from ungroup check button
protectFromUngroupCheckBox.Enabled = true;
protectFromUngroupCheckBox.Checked = group.Protection.Ungroup;
}
else
{
selectedGroupsActionsGroup.Enabled = false;
}
// if the selected node is a shape
NShape shape = (view.Selection.AnchorNode as NShape);
if (shape != null)
{
selectedShapesActionsGroup.Enabled = true;
// check whether the selected shape can be grouped
NBatchGroup batchGroup = new NBatchGroup(document, selectedNodes);
groupButton.Enabled = batchGroup.CanGroup(document.ActiveLayer, false);
// update the protect from group check button
protectFromGroupCheckBox.Enabled = true;
protectFromGroupCheckBox.Checked = shape.Protection.Group;
}
else
{
selectedShapesActionsGroup.Enabled = false;
}
}
else
{
// multiple nodes are selected
selectedGroupsActionsGroup.Enabled = true;
selectedShapesActionsGroup.Enabled = true;
// update ungroup buttons
NBatchUngroup batchUngroup = new NBatchUngroup(document, selectedNodes);
ungroupToLayerButton.Enabled = batchUngroup.CanUngroup(document.ActiveLayer, false);
ungroupToParentGroupButton.Enabled = false;
// update group button
NBatchGroup batchGroup = new NBatchGroup(document, selectedNodes);
groupButton.Enabled = batchGroup.CanGroup(document.ActiveLayer, false);
// disable protection checks
protectFromUngroupCheckBox.Enabled = true;
protectFromGroupCheckBox.Enabled = false;
}
base.ResumeEventsHandling();
}