gboolean
e_editor_selection_get_superscript (EEditorSelection *selection)
{
WebKitDOMNode *node;
WebKitDOMRange *range;
g_return_val_if_fail (E_IS_EDITOR_SELECTION (selection), FALSE);
range = editor_selection_get_current_range (selection);
node = webkit_dom_range_get_common_ancestor_container (range, NULL);
while (node) {
gchar *tag_name;
tag_name = webkit_dom_element_get_tag_name (WEBKIT_DOM_ELEMENT (node));
if (g_ascii_strncasecmp (tag_name, "sup", 3) == 0) {
g_free (tag_name);
break;
}
g_free (tag_name);
node = webkit_dom_node_get_parent_node (node);
}
return (node != NULL);
}
const gchar *
e_editor_selection_get_font_name (EEditorSelection *selection)
{
WebKitDOMNode *node;
WebKitDOMRange *range;
WebKitDOMCSSStyleDeclaration *css;
g_return_val_if_fail (E_IS_EDITOR_SELECTION (selection), NULL);
range = editor_selection_get_current_range (selection);
node = webkit_dom_range_get_common_ancestor_container (range, NULL);
g_free (selection->priv->font_family);
css = webkit_dom_element_get_style (WEBKIT_DOM_ELEMENT (node));
selection->priv->font_family =
webkit_dom_css_style_declaration_get_property_value (css, "fontFamily");
return selection->priv->font_family;
}
const gchar *
e_editor_selection_get_background_color (EEditorSelection *selection)
{
WebKitDOMNode *ancestor;
WebKitDOMRange *range;
WebKitDOMCSSStyleDeclaration *css;
g_return_val_if_fail (E_IS_EDITOR_SELECTION (selection), NULL);
range = editor_selection_get_current_range (selection);
ancestor = webkit_dom_range_get_common_ancestor_container (range, NULL);
css = webkit_dom_element_get_style (WEBKIT_DOM_ELEMENT (ancestor));
selection->priv->background_color =
webkit_dom_css_style_declaration_get_property_value (
css, "background-color");
return selection->priv->background_color;
}
static gchar *
get_font_property (EEditorSelection *selection,
const gchar *font_property)
{
WebKitDOMRange *range;
WebKitDOMNode *node;
WebKitDOMElement *element;
gchar *value;
range = editor_selection_get_current_range (selection);
if (!range) {
return NULL;
}
node = webkit_dom_range_get_common_ancestor_container (range, NULL);
element = e_editor_dom_node_find_parent_element (node, "FONT");
if (!element) {
return NULL;
}
g_object_get (G_OBJECT (element), font_property, &value, NULL);
return value;
}
void
e_editor_selection_wrap_lines (EEditorSelection *selection)
{
WebKitDOMRange *range;
WebKitDOMNode *node, *start_node;
WebKitDOMDocument *document;
WebKitDOMElement *element;
WebKitDOMDocumentFragment *fragment;
gint len;
gchar *html;
g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
document = webkit_web_view_get_dom_document (selection->priv->webview);
range = editor_selection_get_current_range (selection);
/* Extend the range to include entire nodes */
webkit_dom_range_select_node_contents (
range,
webkit_dom_range_get_common_ancestor_container (range, NULL),
NULL);
/* Copy the selection from DOM, wrap the lines and then paste it back
* using the DOM command which will overwrite the selection, and
* record it as an undoable action */
fragment = webkit_dom_range_clone_contents (range, NULL);
node = WEBKIT_DOM_NODE (fragment);
start_node = node;
len = 0;
while (node) {
/* Find nearest text node */
if (webkit_dom_node_get_node_type (node) != 3) {
if (webkit_dom_node_has_child_nodes (node)) {
node = webkit_dom_node_get_first_child (node);
} else if (webkit_dom_node_get_next_sibling (node)) {
node = webkit_dom_node_get_next_sibling (node);
} else {
if (webkit_dom_node_is_equal_node (node, start_node)) {
break;
}
node = webkit_dom_node_get_parent_node (node);
if (node) {
node = webkit_dom_node_get_next_sibling (node);
}
}
continue;
}
/* If length of this node + what we already have is still less
* then 71 characters, then just join it and continue to next
* node */
if ((webkit_dom_character_data_get_length (
(WebKitDOMCharacterData *) node) + len) < WORD_WRAP_LENGTH) {
len += webkit_dom_character_data_get_length (
(WebKitDOMCharacterData *) node);
} else {
gint offset;
/* Find where we can line-break the node so that it
* effectively fills the rest of current row */
offset = find_where_to_break_line (node, WORD_WRAP_LENGTH - len);
if (offset > 0) {
/* Split the node and append <BR> tag to it */
webkit_dom_text_split_text (
(WebKitDOMText *) node, len + offset, NULL);
element = webkit_dom_document_create_element (
document, "BR", NULL);
/* WebKit throws warning when ref_child is NULL */
if (webkit_dom_node_get_next_sibling (node)) {
webkit_dom_node_insert_before (
webkit_dom_node_get_parent_node (node),
WEBKIT_DOM_NODE (element),
webkit_dom_node_get_next_sibling (node),
NULL);
} else {
webkit_dom_node_append_child (
webkit_dom_node_get_parent_node (node),
WEBKIT_DOM_NODE (element),
NULL);
}
len = 0;
}
}
/* Skip to next node */
if (webkit_dom_node_get_next_sibling (node)) {
node = webkit_dom_node_get_next_sibling (node);
} else {
if (webkit_dom_node_is_equal_node (node, start_node)) {
break;
}
node = webkit_dom_node_get_parent_node (node);
if (node) {
node = webkit_dom_node_get_next_sibling (node);
}
}
}
/* Create a wrapper DIV and put the processed content into it */
element = webkit_dom_document_create_element (document, "DIV", NULL);
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (element), WEBKIT_DOM_NODE (start_node), NULL);
/* Get HTML code of the processed content */
html = webkit_dom_html_element_get_inner_html (
WEBKIT_DOM_HTML_ELEMENT (element));
/* Overwrite the current selection be the processed content, so that
* "UNDO" and "REDO" buttons work as expected */
e_editor_selection_insert_html (selection, html);
g_free (html);
}
static void
html_editor_link_dialog_show (GtkWidget *widget)
{
EHTMLEditor *editor;
EHTMLEditorView *view;
EHTMLEditorLinkDialog *dialog;
WebKitDOMDocument *document;
WebKitDOMDOMWindow *dom_window;
WebKitDOMDOMSelection *dom_selection;
WebKitDOMRange *range;
WebKitDOMElement *link;
dialog = E_HTML_EDITOR_LINK_DIALOG (widget);
editor = e_html_editor_dialog_get_editor (E_HTML_EDITOR_DIALOG (dialog));
view = e_html_editor_get_view (editor);
document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (view));
dom_window = webkit_dom_document_get_default_view (document);
dom_selection = webkit_dom_dom_window_get_selection (dom_window);
g_object_unref (dom_window);
/* Reset to default values */
gtk_entry_set_text (GTK_ENTRY (dialog->priv->url_edit), "http://");
gtk_entry_set_text (GTK_ENTRY (dialog->priv->label_edit), "");
gtk_widget_set_sensitive (dialog->priv->label_edit, TRUE);
gtk_widget_set_sensitive (dialog->priv->remove_link_button, TRUE);
dialog->priv->label_autofill = TRUE;
/* No selection at all */
if (!dom_selection ||
webkit_dom_dom_selection_get_range_count (dom_selection) < 1) {
gtk_widget_set_sensitive (dialog->priv->remove_link_button, FALSE);
goto chainup;
}
range = webkit_dom_dom_selection_get_range_at (dom_selection, 0, NULL);
link = e_html_editor_dom_node_find_parent_element (
webkit_dom_range_get_start_container (range, NULL), "A");
if (!link) {
if ((webkit_dom_range_get_start_container (range, NULL) !=
webkit_dom_range_get_end_container (range, NULL)) ||
(webkit_dom_range_get_start_offset (range, NULL) !=
webkit_dom_range_get_end_offset (range, NULL))) {
WebKitDOMDocumentFragment *fragment;
fragment = webkit_dom_range_clone_contents (range, NULL);
link = e_html_editor_dom_node_find_child_element (
WEBKIT_DOM_NODE (fragment), "A");
} else {
WebKitDOMNode *node;
node = webkit_dom_range_get_common_ancestor_container (range, NULL);
if (node && !WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (node)) {
link = e_html_editor_dom_node_find_parent_element (node, "A");
if (link && !WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
link = NULL;
} else
link = WEBKIT_DOM_ELEMENT (node);
}
}
if (link) {
gchar *href, *text;
href = webkit_dom_html_anchor_element_get_href (
WEBKIT_DOM_HTML_ANCHOR_ELEMENT (link));
text = webkit_dom_html_element_get_inner_text (
WEBKIT_DOM_HTML_ELEMENT (link));
gtk_entry_set_text (
GTK_ENTRY (dialog->priv->url_edit), href);
gtk_entry_set_text (
GTK_ENTRY (dialog->priv->label_edit), text);
g_free (text);
g_free (href);
} else {
gchar *text;
text = webkit_dom_range_get_text (range);
if (text && *text) {
gtk_entry_set_text (
GTK_ENTRY (dialog->priv->label_edit), text);
gtk_widget_set_sensitive (
dialog->priv->label_edit, FALSE);
gtk_widget_set_sensitive (
dialog->priv->remove_link_button, FALSE);
}
g_free (text);
}
g_object_unref (range);
chainup:
g_object_unref (dom_selection);
/* Chain up to parent implementation */
GTK_WIDGET_CLASS (e_html_editor_link_dialog_parent_class)->show (widget);
}
static void
html_editor_link_dialog_ok (EHTMLEditorLinkDialog *dialog)
{
EHTMLEditor *editor;
EHTMLEditorView *view;
EHTMLEditorSelection *selection;
WebKitDOMDocument *document;
WebKitDOMDOMWindow *dom_window;
WebKitDOMDOMSelection *dom_selection;
WebKitDOMRange *range;
WebKitDOMElement *link;
editor = e_html_editor_dialog_get_editor (E_HTML_EDITOR_DIALOG (dialog));
view = e_html_editor_get_view (editor);
selection = e_html_editor_view_get_selection (view);
document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (view));
dom_window = webkit_dom_document_get_default_view (document);
dom_selection = webkit_dom_dom_window_get_selection (dom_window);
g_object_unref (dom_window);
if (!dom_selection ||
(webkit_dom_dom_selection_get_range_count (dom_selection) == 0)) {
gtk_widget_hide (GTK_WIDGET (dialog));
g_object_unref (dom_selection);
return;
}
range = webkit_dom_dom_selection_get_range_at (dom_selection, 0, NULL);
link = e_html_editor_dom_node_find_parent_element (
webkit_dom_range_get_start_container (range, NULL), "A");
if (!link) {
if ((webkit_dom_range_get_start_container (range, NULL) !=
webkit_dom_range_get_end_container (range, NULL)) ||
(webkit_dom_range_get_start_offset (range, NULL) !=
webkit_dom_range_get_end_offset (range, NULL))) {
WebKitDOMDocumentFragment *fragment;
fragment = webkit_dom_range_extract_contents (range, NULL);
link = e_html_editor_dom_node_find_child_element (
WEBKIT_DOM_NODE (fragment), "A");
webkit_dom_range_insert_node (
range, WEBKIT_DOM_NODE (fragment), NULL);
webkit_dom_dom_selection_set_base_and_extent (
dom_selection,
webkit_dom_range_get_start_container (range, NULL),
webkit_dom_range_get_start_offset (range, NULL),
webkit_dom_range_get_end_container (range, NULL),
webkit_dom_range_get_end_offset (range, NULL),
NULL);
} else {
WebKitDOMNode *node;
/* get element that was clicked on */
node = webkit_dom_range_get_common_ancestor_container (range, NULL);
if (node && !WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (node)) {
link = e_html_editor_dom_node_find_parent_element (node, "A");
if (link && !WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
link = NULL;
} else
link = WEBKIT_DOM_ELEMENT (node);
}
}
if (link) {
webkit_dom_html_anchor_element_set_href (
WEBKIT_DOM_HTML_ANCHOR_ELEMENT (link),
gtk_entry_get_text (GTK_ENTRY (dialog->priv->url_edit)));
webkit_dom_html_element_set_inner_html (
WEBKIT_DOM_HTML_ELEMENT (link),
gtk_entry_get_text (GTK_ENTRY (dialog->priv->label_edit)),
NULL);
} else {
gchar *text;
/* Check whether a text is selected or not */
text = webkit_dom_range_get_text (range);
if (text && *text) {
e_html_editor_selection_create_link (
selection,
gtk_entry_get_text (
GTK_ENTRY (dialog->priv->url_edit)));
} else {
gchar *html = g_strdup_printf (
"<a href=\"%s\">%s</a>",
gtk_entry_get_text (
GTK_ENTRY (dialog->priv->url_edit)),
gtk_entry_get_text (
GTK_ENTRY (dialog->priv->label_edit)));
e_html_editor_view_exec_command (
view, E_HTML_EDITOR_VIEW_COMMAND_INSERT_HTML, html);
g_free (html);
}
g_free (text);
}
g_object_unref (range);
g_object_unref (dom_selection);
gtk_widget_hide (GTK_WIDGET (dialog));
}
