internal static bool HasChildNodes(ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder nb in chain)
{
try
{
bool res = nb.HasChildNodes(tb, dataObject);
if (res)
{
return(true);
}
}
catch (Exception ex)
{
LoggingService.LogError(ex.ToString());
}
finally
{
tb.MoveToPosition(pos);
}
}
return(false);
}
internal static NodeAttributes GetAttributes(ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodePosition pos = tb.CurrentPosition;
NodeAttributes ats = NodeAttributes.None;
foreach (NodeBuilder nb in chain)
{
try {
nb.GetNodeAttributes(tb, dataObject, ref ats);
} catch (Exception ex) {
LoggingService.LogError(ex.ToString());
}
tb.MoveToPosition(pos);
}
return(ats);
}
ProjectPackagesFolderNode GetPackagesFolderNode (ITreeBuilder treeBuilder)
{
NodePosition originalPosition = treeBuilder.CurrentPosition;
if (!treeBuilder.MoveToParent ()) {
return null;
}
ProjectPackagesFolderNode packagesFolder = null;
if (treeBuilder.MoveToChild (ProjectPackagesFolderNode.NodeName, typeof(ProjectPackagesFolderNode))) {
packagesFolder = treeBuilder.DataItem as ProjectPackagesFolderNode;
}
treeBuilder.MoveToPosition (originalPosition);
return packagesFolder;
}
internal static void GetNodeInfo(ExtensibleTreeView tree, ITreeBuilder tb, NodeBuilder[] chain, object dataObject, out string text, out Gdk.Pixbuf icon, out Gdk.Pixbuf closedIcon)
{
icon = null;
closedIcon = null;
text = string.Empty;
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder builder in chain)
{
try
{
builder.BuildNode(tb, dataObject, ref text, ref icon, ref closedIcon);
}
catch (Exception ex)
{
LoggingService.LogError(ex.ToString());
}
tb.MoveToPosition(pos);
}
if (closedIcon == null)
{
closedIcon = icon;
}
if (tree.CopyObjects != null && ((IList)tree.CopyObjects).Contains(dataObject) && tree.CurrentTransferOperation == DragOperation.Move)
{
Gdk.Pixbuf gicon = tree.BuilderContext.GetComposedIcon(icon, "fade");
if (gicon == null)
{
gicon = ImageService.MakeTransparent(icon, 0.5);
tree.BuilderContext.CacheComposedIcon(icon, "fade", gicon);
}
icon = gicon;
gicon = tree.BuilderContext.GetComposedIcon(closedIcon, "fade");
if (gicon == null)
{
gicon = ImageService.MakeTransparent(closedIcon, 0.5);
tree.BuilderContext.CacheComposedIcon(closedIcon, "fade", gicon);
}
closedIcon = gicon;
}
}
internal static NodeInfo GetNodeInfo(ExtensibleTreeView tree, ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodeInfo nodeInfo = new NodeInfo()
{
Label = string.Empty
};
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder builder in chain)
{
try {
builder.BuildNode(tb, dataObject, nodeInfo);
} catch (Exception ex) {
LoggingService.LogError(ex.ToString());
}
tb.MoveToPosition(pos);
}
if (nodeInfo.ClosedIcon == null)
{
nodeInfo.ClosedIcon = nodeInfo.Icon;
}
if (tree.CopyObjects != null && ((IList)tree.CopyObjects).Contains(dataObject) && tree.CurrentTransferOperation == DragOperation.Move)
{
var gicon = tree.BuilderContext.GetComposedIcon(nodeInfo.Icon, "fade");
if (gicon == null)
{
gicon = nodeInfo.Icon.WithAlpha(0.5);
tree.BuilderContext.CacheComposedIcon(nodeInfo.Icon, "fade", gicon);
}
nodeInfo.Icon = gicon;
gicon = tree.BuilderContext.GetComposedIcon(nodeInfo.ClosedIcon, "fade");
if (gicon == null)
{
gicon = nodeInfo.ClosedIcon.WithAlpha(0.5);
tree.BuilderContext.CacheComposedIcon(nodeInfo.ClosedIcon, "fade", gicon);
}
nodeInfo.ClosedIcon = gicon;
}
return(nodeInfo);
}
ProjectPackagesFolderNode GetPackagesFolderNode(ITreeBuilder treeBuilder)
{
NodePosition originalPosition = treeBuilder.CurrentPosition;
if (!treeBuilder.MoveToParent())
{
return(null);
}
ProjectPackagesFolderNode packagesFolder = null;
if (treeBuilder.MoveToChild(ProjectPackagesFolderNode.NodeName, typeof(ProjectPackagesFolderNode)))
{
packagesFolder = treeBuilder.DataItem as ProjectPackagesFolderNode;
}
treeBuilder.MoveToPosition(originalPosition);
return(packagesFolder);
}
internal static void GetNodeInfo (ExtensibleTreeView tree, ITreeBuilder tb, NodeBuilder[] chain, object dataObject, out string text, out Gdk.Pixbuf icon, out Gdk.Pixbuf closedIcon)
{
icon = null;
closedIcon = null;
text = string.Empty;
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder builder in chain) {
try {
builder.BuildNode (tb, dataObject, ref text, ref icon, ref closedIcon);
} catch (Exception ex) {
LoggingService.LogError (ex.ToString ());
}
tb.MoveToPosition (pos);
}
if (closedIcon == null) closedIcon = icon;
if (tree.CopyObjects != null && ((IList)tree.CopyObjects).Contains (dataObject) && tree.CurrentTransferOperation == DragOperation.Move) {
Gdk.Pixbuf gicon = tree.BuilderContext.GetComposedIcon (icon, "fade");
if (gicon == null) {
gicon = ImageService.MakeTransparent (icon, 0.5);
tree.BuilderContext.CacheComposedIcon (icon, "fade", gicon);
}
icon = gicon;
gicon = tree.BuilderContext.GetComposedIcon (closedIcon, "fade");
if (gicon == null) {
gicon = ImageService.MakeTransparent (closedIcon, 0.5);
tree.BuilderContext.CacheComposedIcon (closedIcon, "fade", gicon);
}
closedIcon = gicon;
}
}
internal static bool HasChildNodes (ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder nb in chain) {
try {
bool res = nb.HasChildNodes (tb, dataObject);
if (res) return true;
} catch (Exception ex) {
LoggingService.LogError (ex.ToString ());
} finally {
tb.MoveToPosition (pos);
}
}
return false;
}
internal static NodeAttributes GetAttributes (ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodePosition pos = tb.CurrentPosition;
NodeAttributes ats = NodeAttributes.None;
foreach (NodeBuilder nb in chain) {
try {
nb.GetNodeAttributes (tb, dataObject, ref ats);
} catch (Exception ex) {
LoggingService.LogError (ex.ToString ());
}
tb.MoveToPosition (pos);
}
return ats;
}
internal static NodeInfo GetNodeInfo (NodeInfo nodeInfo, ExtensibleTreeView tree, ITreeBuilder tb, NodeBuilder[] chain, object dataObject)
{
NodePosition pos = tb.CurrentPosition;
foreach (NodeBuilder builder in chain) {
try {
builder.BuildNode (tb, dataObject, nodeInfo);
} catch (Exception ex) {
LoggingService.LogError (ex.ToString ());
}
tb.MoveToPosition (pos);
}
if (nodeInfo.ClosedIcon == null) nodeInfo.ClosedIcon = nodeInfo.Icon;
if (tree.CopyObjects != null && ((IList)tree.CopyObjects).Contains (dataObject) && tree.CurrentTransferOperation == DragOperation.Move) {
var gicon = tree.BuilderContext.GetComposedIcon (nodeInfo.Icon, "fade");
if (gicon == null) {
gicon = nodeInfo.Icon.WithAlpha (0.5);
tree.BuilderContext.CacheComposedIcon (nodeInfo.Icon, "fade", gicon);
}
nodeInfo.Icon = gicon;
gicon = tree.BuilderContext.GetComposedIcon (nodeInfo.ClosedIcon, "fade");
if (gicon == null) {
gicon = nodeInfo.ClosedIcon.WithAlpha (0.5);
tree.BuilderContext.CacheComposedIcon (nodeInfo.ClosedIcon, "fade", gicon);
}
nodeInfo.ClosedIcon = gicon;
}
return nodeInfo;
}
