[evolution/wip/webkit-composer: 448/966] Implement changing of block format when there is no active selection in composer.



commit 4b220333d1e52caa72d8df4f4d1d068a8e4c016a
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Sep 24 16:48:00 2013 +0200

    Implement changing of block format when there is no active selection in composer.

 e-util/e-editor-selection.c |   68 ++++++++++++++++++++++++++++++++++---------
 1 files changed, 54 insertions(+), 14 deletions(-)
---
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index 2704707..89ff327 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -1246,6 +1246,8 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
        EEditorWidgetCommand command;
        const gchar *value;
        gboolean inserting_ordered_list = FALSE;
+       WebKitDOMDocument *document;
+       WebKitDOMDOMWindow *window;
 
        g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
 
@@ -1318,6 +1320,9 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
        editor_widget = e_editor_selection_ref_editor_widget (selection);
        g_return_if_fail (editor_widget != NULL);
 
+       document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (editor_widget));
+       window = webkit_dom_document_get_default_view (document);
+
        /* First remove (un)ordered list before changing formatting */
        if (current_format == E_EDITOR_SELECTION_BLOCK_FORMAT_UNORDERED_LIST) {
                e_editor_widget_exec_command (
@@ -1332,7 +1337,50 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
        }
 
        if (!inserting_ordered_list)
-               e_editor_widget_exec_command (editor_widget, command, value);
+               /* If there is no selection in composer we will change the format of
+                * the element that has caret inside */
+               if (g_strcmp0 (e_editor_selection_get_string (selection), "") == 0) {
+                       WebKitDOMDOMSelection *window_selection;
+                       WebKitDOMRange *range, *new_range;
+                       WebKitDOMNode *node;
+                       WebKitDOMNodeList *list;
+                       gint ii, length;
+
+                       window_selection = webkit_dom_dom_window_get_selection (window);
+                       new_range = webkit_dom_document_create_range (document);
+
+                       e_editor_selection_save_caret_position (selection);
+
+                       range = editor_selection_get_current_range (selection);
+                       if (!range) {
+                               g_object_unref (editor_widget);
+                               return;
+                       }
+
+                       node = webkit_dom_range_get_common_ancestor_container (range, NULL);
+                       if (!WEBKIT_DOM_IS_ELEMENT (node))
+                               node = WEBKIT_DOM_NODE (webkit_dom_node_get_parent_element (node));
+
+                       list = webkit_dom_element_query_selector_all (WEBKIT_DOM_ELEMENT (node), 
"br.-x-evo-wrap-br", NULL);
+                       length = webkit_dom_node_list_get_length (list);
+
+                       for (ii = 0; ii < length; ii++) {
+                               WebKitDOMNode *br = webkit_dom_node_list_item (list, ii);
+                               webkit_dom_node_remove_child (node, br, NULL);
+                       }
+
+                       e_editor_selection_save_caret_position (selection);
+
+                       webkit_dom_range_select_node_contents (
+                               new_range, node, NULL);
+                       webkit_dom_dom_selection_remove_all_ranges (window_selection);
+                       webkit_dom_dom_selection_add_range (window_selection, new_range);
+
+                       e_editor_widget_exec_command (editor_widget, command, value);
+
+                       e_editor_selection_restore_caret_position (selection);
+               } else
+                       e_editor_widget_exec_command (editor_widget, command, value);
        else {
                /* Ordered list have to be handled separately (not directly in WebKit),
                 * because all variant or ordered list are treated as one in WebKit.
@@ -1341,17 +1389,11 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
                WebKitDOMRange *range, *new_range;
                WebKitDOMElement *element;
                WebKitDOMNode *node;
-               WebKitWebView *web_view;
-               WebKitDOMDocument *document;
                WebKitDOMDOMSelection *window_selection;
-               WebKitDOMDOMWindow *window;
                WebKitDOMNodeList *list;
                gint paragraph_count, ii;
                gchar *content;
 
-               web_view = WEBKIT_WEB_VIEW (editor_widget);
-               document = webkit_web_view_get_dom_document (web_view);
-
                range = editor_selection_get_current_range (selection);
 
                list = webkit_dom_document_get_elements_by_class_name (document, "-x-evo-paragraph");
@@ -1388,7 +1430,6 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
                webkit_dom_range_insert_node (range, WEBKIT_DOM_NODE (element), NULL);
 
                /* Move caret into newly inserted list */
-               window = webkit_dom_document_get_default_view (document);
                window_selection = webkit_dom_dom_window_get_selection (window);
                new_range = webkit_dom_document_create_range (document);
 
@@ -1433,15 +1474,14 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
                WebKitDOMElement *paragraph;
 
                range = editor_selection_get_current_range (selection);
-               node = webkit_dom_range_get_start_container (range, NULL);
+               node = webkit_dom_range_get_common_ancestor_container (range, NULL);
 
-               paragraph = e_editor_dom_node_find_child_element (node, "P");
-               if (!paragraph)
-                       paragraph = e_editor_dom_node_find_parent_element (node, "P");
+               paragraph = e_editor_dom_node_find_parent_element (node, "P");
 
-               if (paragraph) {
+               if (paragraph)
                        element_add_class (WEBKIT_DOM_ELEMENT (paragraph), "-x-evo-paragraph");
-               }
+
+               e_editor_selection_wrap_lines (selection, FALSE, NULL);
        }
 
        g_object_unref (editor_widget);


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