Fixed a bug, where the customviews were not so customizable on Linux.

[quassel.git] / src / client / treemodel.cpp

diff --git a/src/client/treemodel.cpp b/src/client/treemodel.cpp
index d84f0e0..52439af 100644 (file)
--- a/src/client/treemodel.cpp
+++ b/src/client/treemodel.cpp
@@ -24,9 +24,12 @@
 /*****************************************
  *  Buffer Items stored in the Tree Model
  *****************************************/
-TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent) : QObject(parent) {
-  itemData = data;
-  parentItem = parent;
+TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
+  : QObject(parent),
+    parentItem(parent),
+    itemData(data),
+  _flags(Qt::ItemIsSelectable | Qt::ItemIsEnabled)
+{
 }
 
 TreeItem::TreeItem(TreeItem *parent) {
@@ -38,16 +41,35 @@ TreeItem::~TreeItem() {
   qDeleteAll(childItems);
 }
 
+uint TreeItem::id() const {
+  return (uint)this;
+}
+
 void TreeItem::appendChild(TreeItem *item) {
   childItems.append(item);
+  childHash[item->id()] = item;
 }
 
 void TreeItem::removeChild(int row) {
+  if(row >= childItems.size())
+    return;
+  TreeItem *treeitem = childItems.value(row);
   childItems.removeAt(row);
+  childHash.remove(childHash.key(treeitem));
+}
+
+TreeItem *TreeItem::child(int row) const {
+  if(row < childItems.size())
+    return childItems.value(row);
+  else
+    return 0;
 }
 
-TreeItem *TreeItem::child(int row) {
-  return childItems.value(row);
+TreeItem *TreeItem::childById(const uint &id) const {
+  if(childHash.contains(id))
+    return childHash.value(id);
+  else
+    return 0;
 }
 
 int TreeItem::childCount() const {
@@ -70,17 +92,28 @@ int TreeItem::columnCount() const {
 }
 
 QVariant TreeItem::data(int column, int role) const {
-  if(role == Qt::DisplayRole and column < itemData.count())
+  if(role == Qt::DisplayRole && column < itemData.count())
     return itemData[column];
   else
     return QVariant();
 }
 
+Qt::ItemFlags TreeItem::flags() const {
+  // some sane defaults
+  return _flags;
+}
+
+void TreeItem::setFlags(Qt::ItemFlags flags) {
+  _flags = flags;
+}
+
 
 /*****************************************
  * TreeModel
  *****************************************/
-TreeModel::TreeModel(const QList<QVariant> &data, QObject *parent) : QAbstractItemModel(parent) {
+TreeModel::TreeModel(const QList<QVariant> &data, QObject *parent)
+  : QAbstractItemModel(parent)
+{
   rootItem = new TreeItem(data, 0);
 }
 
@@ -106,6 +139,21 @@ QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent) con
     return QModelIndex();
 }
 
+QModelIndex TreeModel::indexById(uint id, const QModelIndex &parent) const {
+  TreeItem *parentItem; 
+  
+  if(!parent.isValid())
+    parentItem = rootItem;
+  else
+    parentItem = static_cast<TreeItem *>(parent.internalPointer());
+  
+  TreeItem *childItem = parentItem->childById(id);
+  if(childItem)
+    return createIndex(childItem->row(), 0, childItem);
+  else
+    return QModelIndex();
+}
+
 QModelIndex TreeModel::parent(const QModelIndex &index) const {
   if(!index.isValid())
     return QModelIndex();
@@ -148,10 +196,12 @@ QVariant TreeModel::data(const QModelIndex &index, int role) const {
 }
 
 Qt::ItemFlags TreeModel::flags(const QModelIndex &index) const {
+  TreeItem *item;
   if(!index.isValid())
-    return 0;
+    item = rootItem;
   else
-    return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+    item = static_cast<TreeItem *>(index.internalPointer());
+  return item->flags();
 }
 
 QVariant TreeModel::headerData(int section, Qt::Orientation orientation, int role) const {
@@ -165,8 +215,13 @@ bool TreeModel::removeRow(int row, const QModelIndex &parent) {
   if(row > rowCount(parent))
     return false;
   
+  TreeItem *item;
+  if(!parent.isValid())
+    item = rootItem;
+  else
+    item = static_cast<TreeItem*>(parent.internalPointer());
+  
   beginRemoveRows(parent, row, row);
-  TreeItem *item = static_cast<TreeItem*>(parent.internalPointer());
   item->removeChild(row);
   endRemoveRows();
   return true;
@@ -181,8 +236,15 @@ bool TreeModel::removeRows(int row, int count, const QModelIndex &parent) {
   if(row + count - 1 > rowCount(parent) || row < 0 || count < 0) 
     return false;
   
+  TreeItem *item;
+  if(!parent.isValid())
+    item = rootItem;
+  else
+    item = static_cast<TreeItem*>(parent.internalPointer());
+  
+  
   beginRemoveRows(parent, row, row + count - 1);
-  TreeItem *item = static_cast<TreeItem*>(parent.internalPointer());
+
   for(int i = row + count - 1; i >= 0; i--) {
     item->removeChild(i);
   }
@@ -191,5 +253,5 @@ bool TreeModel::removeRows(int row, int count, const QModelIndex &parent) {
 }
 
 void TreeModel::clear() {
-  removeRows(0, rowCount(), QModelIndex());
+  removeRows(0, rowCount());
 }