/*
* e-html-editor-link-dialog.h
*
* Copyright (C) 2012 Dan Vrátil <dvratil@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-html-editor-link-dialog.h"
#include "e-html-editor-selection.h"
#include "e-html-editor-utils.h"
#include "e-html-editor-view.h"
#include <glib/gi18n-lib.h>
#define E_HTML_EDITOR_LINK_DIALOG_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_HTML_EDITOR_LINK_DIALOG, EHTMLEditorLinkDialogPrivate))
G_DEFINE_TYPE (
EHTMLEditorLinkDialog,
e_html_editor_link_dialog,
E_TYPE_HTML_EDITOR_DIALOG);
struct _EHTMLEditorLinkDialogPrivate {
GtkWidget *url_edit;
GtkWidget *label_edit;
GtkWidget *test_button;
GtkWidget *remove_link_button;
GtkWidget *ok_button;
gboolean label_autofill;
};
static void
html_editor_link_dialog_test_link (EHTMLEditorLinkDialog *dialog)
{
gtk_show_uri (
gtk_window_get_screen (GTK_WINDOW (dialog)),
gtk_entry_get_text (GTK_ENTRY (dialog->priv->url_edit)),
GDK_CURRENT_TIME,
NULL);
}
static void
html_editor_link_dialog_url_changed (EHTMLEditorLinkDialog *dialog)
{
if (dialog->priv->label_autofill &&
gtk_widget_is_sensitive (dialog->priv->label_edit)) {
const gchar *text;
text = gtk_entry_get_text (
GTK_ENTRY (dialog->priv->url_edit));
gtk_entry_set_text (
GTK_ENTRY (dialog->priv->label_edit), text);
}
}
static gboolean
html_editor_link_dialog_description_changed (EHTMLEditorLinkDialog *dialog)
{
const gchar *text;
text = gtk_entry_get_text (GTK_ENTRY (dialog->priv->label_edit));
dialog->priv->label_autofill = (*text == '\0');
return FALSE;
}
static void
html_editor_link_dialog_remove_link (EHTMLEditorLinkDialog *dialog)
{
EHTMLEditor *editor;
EHTMLEditorView *view;
EHTMLEditorSelection *selection;
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);
e_html_editor_selection_unlink (selection);
gtk_widget_hide (GTK_WIDGET (dialog));
}
static void
html_editor_link_dialog_ok (EHTMLEditorLinkDialog *dialog)
{
EHTMLEditor *editor;
EHTMLEditorView *view;
EHTMLEditorSelection *selection;
WebKitDOMDocument *document;
WebKitDOMDOMWindow *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));
window = webkit_dom_document_get_default_view (document);
dom_selection = webkit_dom_dom_window_get_selection (window);
if (!dom_selection ||
(webkit_dom_dom_selection_get_range_count (dom_selection) == 0)) {
gtk_widget_hide (GTK_WIDGET (dialog));
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 {
/* get element that was clicked on */
link = e_html_editor_view_get_element_under_mouse_click (view);
if (!WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
link = NULL;
}
}
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);
}
gtk_widget_hide (GTK_WIDGET (dialog));
}
static gboolean
html_editor_link_dialog_entry_key_pressed (EHTMLEditorLinkDialog *dialog,
GdkEventKey *event)
{
/* We can't do thins in key_released, because then you could not open
* this dialog from main menu by pressing enter on Insert->Link action */
if (event->keyval == GDK_KEY_Return) {
html_editor_link_dialog_ok (dialog);
return TRUE;
}
return FALSE;
}
static void
html_editor_link_dialog_show (GtkWidget *widget)
{
EHTMLEditor *editor;
EHTMLEditorView *view;
EHTMLEditorLinkDialog *dialog;
WebKitDOMDocument *document;
WebKitDOMDOMWindow *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));
window = webkit_dom_document_get_default_view (document);
dom_selection = webkit_dom_dom_window_get_selection (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 {
/* get element that was clicked on */
link = e_html_editor_view_get_element_under_mouse_click (view);
if (!WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
link = NULL;
}
}
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);
}
chainup:
/* Chain up to parent implementation */
GTK_WIDGET_CLASS (e_html_editor_link_dialog_parent_class)->show (widget);
}
static void
e_html_editor_link_dialog_class_init (EHTMLEditorLinkDialogClass *class)
{
GtkWidgetClass *widget_class;
g_type_class_add_private (class, sizeof (EHTMLEditorLinkDialogPrivate));
widget_class = GTK_WIDGET_CLASS (class);
widget_class->show = html_editor_link_dialog_show;
}
static void
e_html_editor_link_dialog_init (EHTMLEditorLinkDialog *dialog)
{
GtkGrid *main_layout;
GtkBox *button_box;
GtkWidget *widget;
dialog->priv = E_HTML_EDITOR_LINK_DIALOG_GET_PRIVATE (dialog);
main_layout = e_html_editor_dialog_get_container (E_HTML_EDITOR_DIALOG (dialog));
widget = gtk_entry_new ();
gtk_grid_attach (main_layout, widget, 1, 0, 1, 1);
g_signal_connect_swapped (
widget, "notify::text",
G_CALLBACK (html_editor_link_dialog_url_changed), dialog);
g_signal_connect_swapped (
widget, "key-press-event",
G_CALLBACK (html_editor_link_dialog_entry_key_pressed), dialog);
dialog->priv->url_edit = widget;
widget = gtk_label_new_with_mnemonic (_("_URL:"));
gtk_label_set_justify (GTK_LABEL (widget), GTK_JUSTIFY_RIGHT);
gtk_label_set_mnemonic_widget (GTK_LABEL (widget), dialog->priv->url_edit);
gtk_grid_attach (main_layout, widget, 0, 0, 1, 1);
widget = gtk_button_new_with_mnemonic (_("_Test URL..."));
gtk_grid_attach (main_layout, widget, 2, 0, 1, 1);
g_signal_connect_swapped (
widget, "clicked",
G_CALLBACK (html_editor_link_dialog_test_link), dialog);
dialog->priv->test_button = widget;
widget = gtk_entry_new ();
gtk_grid_attach (main_layout, widget, 1, 1, 2, 1);
g_signal_connect_swapped (
widget, "key-release-event",
G_CALLBACK (html_editor_link_dialog_description_changed), dialog);
g_signal_connect_swapped (
widget, "key-press-event",
G_CALLBACK (html_editor_link_dialog_entry_key_pressed), dialog);
dialog->priv->label_edit = widget;
widget = gtk_label_new_with_mnemonic (_("_Description:"));
gtk_label_set_justify (GTK_LABEL (widget), GTK_JUSTIFY_RIGHT);
gtk_label_set_mnemonic_widget (GTK_LABEL (widget), dialog->priv->label_edit);
gtk_grid_attach (main_layout, widget, 0, 1, 1, 1);
button_box = e_html_editor_dialog_get_button_box (E_HTML_EDITOR_DIALOG (dialog));
widget = gtk_button_new_with_mnemonic (_("_Remove Link"));
g_signal_connect_swapped (
widget, "clicked",
G_CALLBACK (html_editor_link_dialog_remove_link), dialog);
gtk_box_pack_start (button_box, widget, FALSE, FALSE, 5);
dialog->priv->remove_link_button = widget;
widget = gtk_button_new_from_stock (GTK_STOCK_OK);
g_signal_connect_swapped (
widget, "clicked",
G_CALLBACK (html_editor_link_dialog_ok), dialog);
gtk_box_pack_end (button_box, widget, FALSE, FALSE, 5);
dialog->priv->ok_button = widget;
gtk_widget_show_all (GTK_WIDGET (main_layout));
}
GtkWidget *
e_html_editor_link_dialog_new (EHTMLEditor *editor)
{
return GTK_WIDGET (
g_object_new (
E_TYPE_HTML_EDITOR_LINK_DIALOG,
"editor", editor,
"icon-name", "insert-link",
"title", N_("Link Properties"),
NULL));
}
