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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/common/gtk_tree.h"
#include "app/table_model.h"
#include "base/logging.h"
namespace gtk_tree {
gint GetRowNumForPath(GtkTreePath* path) {
gint* indices = gtk_tree_path_get_indices(path);
if (!indices) {
NOTREACHED();
return -1;
}
return indices[0];
}
gint GetRowNumForIter(GtkTreeModel* model, GtkTreeIter* iter) {
GtkTreePath* path = gtk_tree_model_get_path(model, iter);
int row = GetRowNumForPath(path);
gtk_tree_path_free(path);
return row;
}
gint GetTreeSortChildRowNumForPath(GtkTreeModel* sort_model,
GtkTreePath* sort_path) {
GtkTreePath *child_path = gtk_tree_model_sort_convert_path_to_child_path(
GTK_TREE_MODEL_SORT(sort_model), sort_path);
int row = GetRowNumForPath(child_path);
gtk_tree_path_free(child_path);
return row;
}
void SelectAndFocusRowNum(int row, GtkTreeView* tree_view) {
GtkTreeModel* model = gtk_tree_view_get_model(tree_view);
if (!model) {
NOTREACHED();
return;
}
GtkTreeIter iter;
if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
NOTREACHED();
return;
}
GtkTreePath* path = gtk_tree_model_get_path(model, &iter);
gtk_tree_view_set_cursor(tree_view, path, NULL, FALSE);
gtk_tree_path_free(path);
}
////////////////////////////////////////////////////////////////////////////////
// ModelAdapter
ModelAdapter::ModelAdapter(Delegate* delegate, GtkListStore* list_store,
TableModel* table_model)
: delegate_(delegate), list_store_(list_store), table_model_(table_model) {
if (table_model)
table_model->SetObserver(this);
}
void ModelAdapter::SetModel(TableModel* table_model) {
table_model_ = table_model;
table_model_->SetObserver(this);
}
void ModelAdapter::AddNodeToList(int row) {
GtkTreeIter iter;
if (row == 0) {
gtk_list_store_prepend(list_store_, &iter);
} else {
GtkTreeIter sibling;
gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store_), &sibling, NULL,
row - 1);
gtk_list_store_insert_after(list_store_, &iter, &sibling);
}
delegate_->SetColumnValues(row, &iter);
}
void ModelAdapter::OnModelChanged() {
delegate_->OnAnyModelUpdateStart();
gtk_list_store_clear(list_store_);
delegate_->OnModelChanged();
for (int i = 0; i < table_model_->RowCount(); ++i)
AddNodeToList(i);
delegate_->OnAnyModelUpdate();
}
void ModelAdapter::OnItemsChanged(int start, int length) {
delegate_->OnAnyModelUpdateStart();
GtkTreeIter iter;
bool rv = gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store_), &iter,
NULL, start);
for (int i = 0; i < length; ++i) {
if (!rv) {
NOTREACHED();
return;
}
delegate_->SetColumnValues(start + i, &iter);
rv = gtk_tree_model_iter_next(GTK_TREE_MODEL(list_store_), &iter);
}
delegate_->OnAnyModelUpdate();
}
void ModelAdapter::OnItemsAdded(int start, int length) {
delegate_->OnAnyModelUpdateStart();
for (int i = 0; i < length; ++i) {
AddNodeToList(start + i);
}
delegate_->OnAnyModelUpdate();
}
void ModelAdapter::OnItemsRemoved(int start, int length) {
delegate_->OnAnyModelUpdateStart();
GtkTreeIter iter;
bool rv = gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store_), &iter,
NULL, start);
for (int i = 0; i < length; ++i) {
if (!rv) {
NOTREACHED();
return;
}
rv = gtk_list_store_remove(list_store_, &iter);
}
delegate_->OnAnyModelUpdate();
}
} // namespace gtk_tree
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