[evolution/wip/webkit-composer: 498/966] EEditorSelection: Fix list and block format handling in composer
- From: Tomas Popela <tpopela src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution/wip/webkit-composer: 498/966] EEditorSelection: Fix list and block format handling in composer
- Date: Wed, 23 Apr 2014 10:35:17 +0000 (UTC)
commit 8514c35626fcb4b11843a3bcfaebccb5d2105762
Author: Tomas Popela <tpopela redhat com>
Date: Thu Jan 30 11:53:53 2014 +0100
EEditorSelection: Fix list and block format handling in composer
e-util/e-editor-selection.c | 306 +++++++++++++++++++++++++++----------------
1 files changed, 192 insertions(+), 114 deletions(-)
---
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index 95611e1..23782b1 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -1266,6 +1266,157 @@ e_editor_selection_get_block_format (EEditorSelection *selection)
return result;
}
+static void
+remove_br_after_list_end (EEditorSelection *selection)
+{
+ WebKitDOMRange *range = editor_selection_get_current_range (selection);
+ WebKitDOMNode *node = webkit_dom_range_get_end_container (range, NULL);
+
+ if (WEBKIT_DOM_IS_HTMLBR_ELEMENT (webkit_dom_node_get_last_child (node)))
+ webkit_dom_node_remove_child (
+ node,
+ webkit_dom_node_get_last_child (node),
+ NULL);
+}
+
+static void
+change_list_style_to_another (EEditorSelection *selection,
+ WebKitDOMDocument *document,
+ gboolean inserting_ordered_list)
+{
+ WebKitDOMDocumentFragment *fragment;
+ WebKitDOMElement *new_list;
+ WebKitDOMNode *parent, *caret, *node;
+ WebKitDOMRange *range;
+
+ e_editor_selection_save_caret_position (selection);
+
+ range = editor_selection_get_current_range (selection);
+ node = webkit_dom_range_get_end_container (range, NULL);
+ if (!WEBKIT_DOM_IS_ELEMENT (node))
+ node = WEBKIT_DOM_NODE (webkit_dom_node_get_parent_element (node));
+
+ if (!WEBKIT_DOM_IS_HTMLLI_ELEMENT (node))
+ goto out;
+
+ parent = webkit_dom_node_get_parent_node (node);
+
+ caret = WEBKIT_DOM_NODE (webkit_dom_document_get_element_by_id (
+ document, "-x-evo-caret-position"));
+
+ /* If caret is not in LI, but above it, that means that
+ * this list is without any text, so we have to move the
+ * caret to first LI to restore it correctly */
+ if (!WEBKIT_DOM_IS_HTMLLI_ELEMENT (webkit_dom_node_get_parent_node (caret))) {
+ webkit_dom_html_element_set_inner_html (
+ WEBKIT_DOM_HTML_ELEMENT (node),
+ UNICODE_ZERO_WIDTH_SPACE,
+ NULL);
+ webkit_dom_node_append_child (node, WEBKIT_DOM_NODE (caret), NULL);
+ webkit_dom_node_remove_child (parent, WEBKIT_DOM_NODE (caret), NULL);
+ }
+
+ new_list = webkit_dom_document_create_element (
+ document, inserting_ordered_list ? "OL" : "UL", NULL);
+
+ /* Copy items from old list to new one */
+ fragment = webkit_dom_document_create_document_fragment (document);
+ while (webkit_dom_node_get_first_child (parent)) {
+ webkit_dom_node_append_child (
+ WEBKIT_DOM_NODE (new_list),
+ webkit_dom_node_get_first_child (parent),
+ NULL);
+ }
+
+ webkit_dom_node_append_child (
+ WEBKIT_DOM_NODE (fragment), WEBKIT_DOM_NODE (new_list), FALSE);
+
+ webkit_dom_node_replace_child (
+ webkit_dom_node_get_parent_node (parent),
+ WEBKIT_DOM_NODE (fragment),
+ parent,
+ NULL);
+ out:
+ e_editor_selection_restore_caret_position (selection);
+}
+
+static void
+insert_new_list (EEditorSelection *selection,
+ WebKitDOMDocument *document,
+ gboolean inserting_ordered_list)
+{
+ WebKitDOMRange *range;
+ WebKitDOMElement *element;
+ WebKitDOMNode *node;
+ gchar *content;
+
+ range = editor_selection_get_current_range (selection);
+ node = webkit_dom_range_get_end_container (range, NULL);
+ if (!WEBKIT_DOM_IS_ELEMENT (node))
+ node = WEBKIT_DOM_NODE (webkit_dom_node_get_parent_element (node));
+
+ /* Sometimes there is UNICODE_ZERO_WIDTH_SPACE so we have to remove it */
+ webkit_dom_node_set_text_content (node, "", NULL);
+
+ /* Create list elements */
+ element = webkit_dom_document_create_element (
+ document, inserting_ordered_list ? "OL" : "UL", NULL);
+
+ /* We have to use again the hidden space to move caret into newly
+ * inserted list */
+ content = g_strconcat ("<li>", UNICODE_ZERO_WIDTH_SPACE, "</li>", NULL);
+ webkit_dom_html_element_set_inner_html (
+ WEBKIT_DOM_HTML_ELEMENT (element),
+ content,
+ NULL);
+ g_free (content);
+
+ node = webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (element));
+ webkit_dom_node_append_child (
+ node, e_editor_selection_get_caret_position_node (document), NULL);
+
+ webkit_dom_range_insert_node (range, WEBKIT_DOM_NODE (element), NULL);
+
+ e_editor_selection_restore_caret_position (selection);
+}
+
+static void
+select_nodes_for_format_change (EEditorSelection *selection,
+ WebKitDOMDocument *document)
+{
+ gint ii, length;
+ WebKitDOMDOMSelection *window_selection;
+ WebKitDOMRange *range, *new_range;
+ WebKitDOMNode *node;
+ WebKitDOMNodeList *list;
+ WebKitDOMDOMWindow *window;
+
+ 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);
+
+ range = editor_selection_get_current_range (selection);
+
+ 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_selection_set_block_format:
* @selection: an #EEditorSelection
@@ -1282,8 +1433,10 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
EEditorWidgetCommand command;
const gchar *value;
gboolean inserting_ordered_list = FALSE;
+ gboolean from_list = FALSE;
+ gboolean to_list = FALSE;
WebKitDOMDocument *document;
- WebKitDOMDOMWindow *window;
+ WebKitDOMRange *range;
g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
@@ -1336,10 +1489,14 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
case E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST:
case E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST_ALPHA:
case E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST_ROMAN:
+ command = E_EDITOR_WIDGET_COMMAND_INSERT_ORDERED_LIST;
inserting_ordered_list = TRUE;
+ to_list = TRUE;
+ value = NULL;
break;
case E_EDITOR_SELECTION_BLOCK_FORMAT_UNORDERED_LIST:
command = E_EDITOR_WIDGET_COMMAND_INSERT_UNORDERED_LIST;
+ to_list = TRUE;
value = NULL;
break;
case E_EDITOR_SELECTION_BLOCK_FORMAT_NONE:
@@ -1357,134 +1514,55 @@ e_editor_selection_set_block_format (EEditorSelection *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 (
- editor_widget,
- E_EDITOR_WIDGET_COMMAND_INSERT_UNORDERED_LIST, NULL);
- /* ^-- not a typo, "insert" toggles the
- * formatting if already present */
- } else if (current_format >= E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST) {
- e_editor_widget_exec_command (
- editor_widget,
- E_EDITOR_WIDGET_COMMAND_INSERT_ORDERED_LIST, NULL);
+ from_list =
+ (current_format == E_EDITOR_SELECTION_BLOCK_FORMAT_UNORDERED_LIST) ||
+ (current_format >= E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST);
+
+ if (from_list && !to_list) {
+ /* First remove (un)ordered list before changing formatting */
+ if (current_format == E_EDITOR_SELECTION_BLOCK_FORMAT_UNORDERED_LIST) {
+ e_editor_widget_exec_command (
+ editor_widget,
+ E_EDITOR_WIDGET_COMMAND_INSERT_UNORDERED_LIST, NULL);
+ /* ^-- not a typo, "insert" toggles the
+ * formatting if already present */
+ } else if (current_format >= E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST) {
+ e_editor_widget_exec_command (
+ editor_widget,
+ E_EDITOR_WIDGET_COMMAND_INSERT_ORDERED_LIST, NULL);
+ }
+ }
+
+ remove_br_after_list_end (selection);
+
+ range = editor_selection_get_current_range (selection);
+ if (!range) {
+ g_object_unref (editor_widget);
+ return;
}
- if (!inserting_ordered_list)
+ if (from_list && to_list) {
+ change_list_style_to_another (selection, document, inserting_ordered_list);
+ } else if (!to_list) {
/* 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);
-
+ select_nodes_for_format_change (selection, document);
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.
- * When list is inserted after existing one, it is not inserted as new,
- * but it will start to continuing in previous one */
- WebKitDOMRange *range, *new_range;
- WebKitDOMElement *element;
- WebKitDOMNode *node;
- WebKitDOMDOMSelection *window_selection;
- WebKitDOMNodeList *list;
- gint paragraph_count, ii;
- gchar *content;
-
- range = editor_selection_get_current_range (selection);
-
- list = webkit_dom_document_get_elements_by_class_name (document, "-x-evo-paragraph");
-
- paragraph_count = webkit_dom_node_list_get_length (list);
- for (ii = paragraph_count - 1; ii >= 0; ii--) {
- WebKitDOMNode *paragraph_node = webkit_dom_node_list_item (list, ii);
-
- content = webkit_dom_node_get_text_content (paragraph_node);
- if (g_strcmp0 (content, UNICODE_ZERO_WIDTH_SPACE) == 0) {
- webkit_dom_node_set_text_content (paragraph_node, "", NULL);
- }
- g_free (content);
- }
-
- /* Create list elements */
- element = webkit_dom_document_create_element (document, "OL", NULL);
-
- /* We have to use again the hidden space to move caret into newly
- * inserted list */
- content = g_strconcat ("<li>", UNICODE_ZERO_WIDTH_SPACE, "</li>", NULL);
- webkit_dom_html_element_set_inner_html (
- WEBKIT_DOM_HTML_ELEMENT (element),
- content,
- NULL);
- g_free (content);
-
- if (format != E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST) {
- webkit_dom_element_set_attribute (
- element, "type",
- (format == E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST_ALPHA) ?
- "A" : "I", NULL);
- }
- webkit_dom_range_insert_node (range, WEBKIT_DOM_NODE (element), NULL);
-
- /* Move caret into newly inserted list */
- window_selection = webkit_dom_dom_window_get_selection (window);
- new_range = webkit_dom_document_create_range (document);
-
- webkit_dom_range_select_node_contents (
- new_range, WEBKIT_DOM_NODE (element), NULL);
- webkit_dom_range_collapse (new_range, FALSE, NULL);
- webkit_dom_dom_selection_remove_all_ranges (window_selection);
- webkit_dom_dom_selection_add_range (window_selection, new_range);
-
- /* Remove hidden space character */
- node = webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (element));
- webkit_dom_html_element_set_inner_text (WEBKIT_DOM_HTML_ELEMENT (node), "", NULL);
+ } else {
+ if (g_strcmp0 (e_editor_selection_get_string (selection), "") == 0)
+ insert_new_list (selection, document, inserting_ordered_list);
+ else
+ e_editor_widget_exec_command (editor_widget, command, value);
}
/* Fine tuning - set the specific marker type for ordered lists */
if ((format == E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST_ALPHA) ||
(format == E_EDITOR_SELECTION_BLOCK_FORMAT_ORDERED_LIST_ROMAN)) {
-
- WebKitDOMRange *range;
WebKitDOMNode *node;
WebKitDOMElement *list;
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