path: root/src/bookmarks/ephy-bookmarks-editor.c

/* 
 *  Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#include <gtk/gtktable.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkvbox.h>
#include <libgnome/gnome-i18n.h>
#include <string.h>

#include "ephy-bookmarks-editor.h"
#include "ephy-node-view.h"
#include "ephy-window.h"
#include "ephy-keywords-entry.h"
#include "ephy-dnd.h"
#include "ephy-prefs.h"
#include "eel-gconf-extensions.h"

static void ephy_bookmarks_editor_class_init (EphyBookmarksEditorClass *klass);
static void ephy_bookmarks_editor_init (EphyBookmarksEditor *editor);
static void ephy_bookmarks_editor_finalize (GObject *object);
static void ephy_bookmarks_editor_dispose  (GObject *object);
static void ephy_bookmarks_editor_set_property (GObject *object,
                                        guint prop_id,
                                        const GValue *value,
                                        GParamSpec *pspec);
static void ephy_bookmarks_editor_get_property (GObject *object,
                        guint prop_id,
                        GValue *value,
                        GParamSpec *pspec);

struct EphyBookmarksEditorPrivate
{
    EphyBookmarks *bookmarks;
    EphyNodeView *bm_view;
    EphyNodeView *key_view;
    EphyNodeFilter *bookmarks_filter;
    GtkWidget *title_entry;
    GtkWidget *location_entry;
    GtkWidget *keywords_entry;
    GtkWidget *search_entry;
};

enum
{
    PROP_0,
    PROP_BOOKMARKS
};

enum
{
    RESPONSE_REMOVE
};

static GObjectClass *parent_class = NULL;

GType
ephy_bookmarks_editor_get_type (void)
{
    static GType ephy_bookmarks_editor_type = 0;

    if (ephy_bookmarks_editor_type == 0)
    {
        static const GTypeInfo our_info =
        {
            sizeof (EphyBookmarksEditorClass),
            NULL,
            NULL,
            (GClassInitFunc) ephy_bookmarks_editor_class_init,
            NULL,
            NULL,
            sizeof (EphyBookmarksEditor),
            0,
            (GInstanceInitFunc) ephy_bookmarks_editor_init
        };

        ephy_bookmarks_editor_type = g_type_register_static (GTK_TYPE_DIALOG,
                                         "EphyBookmarksEditor",
                                         &our_info, 0);
    }

    return ephy_bookmarks_editor_type;
}

static void
ephy_bookmarks_editor_class_init (EphyBookmarksEditorClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_bookmarks_editor_finalize;
    object_class->dispose  = ephy_bookmarks_editor_dispose;

    object_class->set_property = ephy_bookmarks_editor_set_property;
    object_class->get_property = ephy_bookmarks_editor_get_property;

    g_object_class_install_property (object_class,
                     PROP_BOOKMARKS,
                     g_param_spec_object ("bookmarks",
                                  "Bookmarks set",
                                  "Bookmarks set",
                                  EPHY_BOOKMARKS_TYPE,
                                  G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}

static void
ephy_bookmarks_editor_dispose (GObject *object)
{
    EphyBookmarksEditor *editor;
    long selected_id;
    char *selected_id_str;
    GList *selection;

    g_return_if_fail (object != NULL);
    g_return_if_fail (EPHY_IS_BOOKMARKS_EDITOR (object));

    editor = EPHY_BOOKMARKS_EDITOR (object);

    g_return_if_fail (editor->priv != NULL);

    if (editor->priv->key_view != NULL)
    {
        selection = ephy_node_view_get_selection (editor->priv->key_view);
        if (selection == NULL || selection->data == NULL)
        {
            editor->priv->key_view = NULL;
            G_OBJECT_CLASS (parent_class)->dispose (object);
            return;
        }
        
        selected_id = ephy_node_get_id (EPHY_NODE (selection->data));
        if (selected_id >= 0)
        {
            selected_id_str = g_strdup_printf ("%ld", selected_id);
            eel_gconf_set_string (CONF_BOOKMARKS_SELECTED_NODE,
                          selected_id_str);
            g_free (selected_id_str);
        }
        
        g_list_free (selection);

        editor->priv->key_view = NULL;
    }

    G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
ephy_bookmarks_editor_finalize (GObject *object)
{
    EphyBookmarksEditor *editor;

    g_return_if_fail (object != NULL);
    g_return_if_fail (EPHY_IS_BOOKMARKS_EDITOR (object));

    editor = EPHY_BOOKMARKS_EDITOR (object);

    g_return_if_fail (editor->priv != NULL);

    g_object_unref (G_OBJECT (editor->priv->bookmarks_filter));

    g_free (editor->priv);

    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
ephy_bookmarks_editor_node_selected_cb (GtkWidget *view,
                        EphyNode *node,
                    EphyBookmarksEditor *editor)
{
    const char *title;
    const char *keywords;
    const char *location;

    if (node != NULL)
    {
        g_assert (EPHY_IS_NODE (node));

        title = ephy_node_get_property_string
            (node, EPHY_NODE_BMK_PROP_TITLE);
        keywords = ephy_node_get_property_string
            (node, EPHY_NODE_BMK_PROP_KEYWORDS);
        location = ephy_node_get_property_string
            (node, EPHY_NODE_BMK_PROP_LOCATION);
        gtk_entry_set_text (GTK_ENTRY (editor->priv->title_entry),
                    title ? g_strdup (title) : "");
        gtk_entry_set_text (GTK_ENTRY (editor->priv->keywords_entry),
                    keywords ? g_strdup (keywords) : "");
        gtk_entry_set_text (GTK_ENTRY (editor->priv->location_entry),
                    location ? g_strdup (location) : "");   
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->title_entry), TRUE);
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->keywords_entry), TRUE);
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->location_entry), TRUE);
    }
    else
    {
        gtk_entry_set_text (GTK_ENTRY (editor->priv->title_entry), "");
        gtk_entry_set_text (GTK_ENTRY (editor->priv->keywords_entry), "");
        gtk_entry_set_text (GTK_ENTRY (editor->priv->location_entry), "");
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->title_entry), FALSE);
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->keywords_entry), FALSE);
        gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->location_entry), FALSE);
    }
}

static void
ephy_bookmarks_editor_node_activated_cb (GtkWidget *view,
                         EphyNode *node,
                     EphyBookmarksEditor *editor)
{
    const char *location;
    GtkWindow *window;

    g_return_if_fail (EPHY_IS_NODE (node));
    location = ephy_node_get_property_string
        (node, EPHY_NODE_BMK_PROP_LOCATION);
    g_return_if_fail (location != NULL);

    window = gtk_window_get_transient_for (GTK_WINDOW (editor));
    g_return_if_fail (IS_EPHY_WINDOW (window));
    ephy_window_load_url (EPHY_WINDOW (window), location);
}

static void
ephy_bookmarks_editor_response_cb (GtkDialog *dialog,
                           int response_id,
                   EphyBookmarksEditor *editor)
{
    switch (response_id)
    {
        case GTK_RESPONSE_CLOSE:
            gtk_widget_destroy (GTK_WIDGET (dialog));
            break;
        case RESPONSE_REMOVE:
            ephy_node_view_remove (editor->priv->bm_view);
            break;
    }
}

static void
update_prop_from_entry (EphyBookmarksEditor *editor,
                GtkWidget *entry,
            guint id)
{
    GList *selection;
    GValue value = { 0, };

    selection = ephy_node_view_get_selection (editor->priv->bm_view);
    if (selection != NULL)
    {
        EphyNode *bm = EPHY_NODE (selection->data);
        char *tmp;

        tmp = gtk_editable_get_chars
            (GTK_EDITABLE (entry), 0, -1);
        g_value_init (&value, G_TYPE_STRING);
        g_value_set_string (&value, tmp);
        ephy_node_set_property (bm, id, &value);
            g_value_unset (&value);
        g_free (tmp);
        g_list_free (selection);
    }
}

static void
title_entry_changed_cb (GtkWidget *entry, EphyBookmarksEditor *editor)
{
    update_prop_from_entry (editor, editor->priv->title_entry,
                EPHY_NODE_BMK_PROP_TITLE);
}

static void
location_entry_changed_cb (GtkWidget *entry, EphyBookmarksEditor *editor)
{
    update_prop_from_entry (editor, editor->priv->location_entry,
                EPHY_NODE_BMK_PROP_LOCATION);
}

static void
keywords_changed_cb (GtkWidget *entry,
             EphyBookmarksEditor *editor)
{
    EphyNode *node;
    GList *selection;
    char *keywords;

    selection = ephy_node_view_get_selection (editor->priv->bm_view);
    if (selection == NULL) return;
    node = EPHY_NODE (selection->data);
    g_list_free (selection);

    keywords = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1);
    ephy_bookmarks_update_keywords (editor->priv->bookmarks,
                    keywords, node);
    g_free (keywords);

    update_prop_from_entry (editor, editor->priv->keywords_entry,
                EPHY_NODE_BMK_PROP_KEYWORDS);
}

static GtkWidget *
build_editing_table (EphyBookmarksEditor *editor)
{
    GtkWidget *table, *label, *entry;
    char *str;

    table = gtk_table_new (2, 2, FALSE);
    gtk_table_set_row_spacings (GTK_TABLE (table), 6);
    gtk_table_set_col_spacings (GTK_TABLE (table), 6);
    gtk_widget_show (table);

    /* Title entry */
    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    str = g_strconcat ("<b>", _("Title:"), "</b>", NULL);
    gtk_label_set_markup (GTK_LABEL (label), str);
    g_free (str);
    gtk_widget_show (label);
    entry = gtk_entry_new ();
    editor->priv->title_entry = entry;
    gtk_widget_set_sensitive (GTK_WIDGET (entry), FALSE);
    gtk_widget_show (entry);
    gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1, GTK_FILL, 0, 0, 0);
    gtk_table_attach_defaults (GTK_TABLE (table), entry, 1, 2, 0, 1);
    g_signal_connect (G_OBJECT (entry), "changed",
              G_CALLBACK (title_entry_changed_cb),
              editor);

    /* Location entry */
    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    str = g_strconcat ("<b>", _("Location:"), "</b>", NULL);
    gtk_label_set_markup (GTK_LABEL (label), str);
    g_free (str);
    gtk_widget_show (label);
    entry = gtk_entry_new ();
    editor->priv->location_entry = entry;
    gtk_widget_set_sensitive (GTK_WIDGET (entry), FALSE);
    gtk_widget_show (entry);
    gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2, GTK_FILL, 0, 0, 0);
    gtk_table_attach_defaults (GTK_TABLE (table), entry, 1, 2, 1, 2);
    g_signal_connect (G_OBJECT (entry), "changed",
              G_CALLBACK (location_entry_changed_cb),
              editor);

    /* Keywords entry */
    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    str = g_strconcat ("<b>", _("Keywords:"), "</b>", NULL);
    gtk_label_set_markup (GTK_LABEL (label), str);
    g_free (str);
    gtk_widget_show (label);
    entry = ephy_keywords_entry_new ();
    ephy_keywords_entry_set_bookmarks (EPHY_KEYWORDS_ENTRY (entry),
                       editor->priv->bookmarks);
    editor->priv->keywords_entry = entry;
    gtk_widget_set_sensitive (GTK_WIDGET (entry), FALSE);
    gtk_widget_show (entry);
    gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3, GTK_FILL, 0, 0, 0);
    gtk_table_attach_defaults (GTK_TABLE (table), entry, 1, 2, 2, 3);
    g_signal_connect (G_OBJECT (entry), "keywords_changed",
              G_CALLBACK (keywords_changed_cb),
              editor);

    return table;
}

static void
bookmarks_filter (EphyBookmarksEditor *editor,
              EphyNode *keyword)
{
    ephy_node_filter_empty (editor->priv->bookmarks_filter);
    ephy_node_filter_add_expression (editor->priv->bookmarks_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_HAS_PARENT,
                                          keyword),
                         0);
    ephy_node_filter_done_changing (editor->priv->bookmarks_filter);
}

static void
keyword_node_selected_cb (EphyNodeView *view,
              EphyNode *node,
              EphyBookmarksEditor *editor)
{
    if (node == NULL)
    {
        ephy_node_view_select_node
            (editor->priv->key_view,
             ephy_bookmarks_get_bookmarks
             (editor->priv->bookmarks));
    }
    else
    {
        bookmarks_filter (editor, node);
    }
}

static void
search_entry_changed_cb (GtkWidget *entry, EphyBookmarksEditor *editor)
{
    char *search_text;

    search_text = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1);

    GDK_THREADS_ENTER ();

    ephy_node_filter_empty (editor->priv->bookmarks_filter);
    ephy_node_filter_add_expression (editor->priv->bookmarks_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_CONTAINS,
                                          EPHY_NODE_BMK_PROP_TITLE,
                                          search_text),
                         0);
    ephy_node_filter_add_expression (editor->priv->bookmarks_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_CONTAINS,
                                          EPHY_NODE_BMK_PROP_KEYWORDS,
                                          search_text),
                         0);
    ephy_node_filter_done_changing (editor->priv->bookmarks_filter);

    GDK_THREADS_LEAVE ();

    g_free (search_text);
}

static GtkWidget *
build_search_box (EphyBookmarksEditor *editor)
{
    GtkWidget *box;
    GtkWidget *label;
    GtkWidget *entry;
    char *str;

    box = gtk_hbox_new (FALSE, 6);
    gtk_widget_show (box);

    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    str = g_strconcat ("<b>", _("Search:"), "</b>", NULL);
    gtk_label_set_markup (GTK_LABEL (label), str);
    g_free (str);
    gtk_widget_show (label);
    gtk_box_pack_start (GTK_BOX (box),
                label, FALSE, TRUE, 0);

    entry = gtk_entry_new ();
    editor->priv->search_entry = entry;
    gtk_widget_show (entry);
    gtk_box_pack_start (GTK_BOX (box),
                entry, TRUE, TRUE, 0);
    g_signal_connect (G_OBJECT (entry), "changed",
              G_CALLBACK (search_entry_changed_cb),
              editor);
    return box;
}

static void
ephy_bookmarks_editor_construct (EphyBookmarksEditor *editor)
{
    GtkWidget *hbox, *vbox;
    EphyNodeView *bm_view, *key_view;
    EphyNode *node;
    long selected_id;
    EphyNode *selected_node;
    char *selected_id_str;

    gtk_window_set_title (GTK_WINDOW (editor), _("Bookmarks"));

    gtk_dialog_set_has_separator (GTK_DIALOG (editor), FALSE);
    gtk_container_set_border_width (GTK_CONTAINER (editor), 6);
    gtk_widget_set_size_request (GTK_WIDGET (editor), 600, 400);
    g_signal_connect (G_OBJECT (editor),
              "response",
              G_CALLBACK (ephy_bookmarks_editor_response_cb),
              editor);

    hbox = gtk_hbox_new (FALSE, 6);
    gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (editor)->vbox),
                hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    g_assert (editor->priv->bookmarks);

    node = ephy_bookmarks_get_keywords (editor->priv->bookmarks);
    key_view = ephy_node_view_new (node, NULL);
    ephy_node_view_set_browse_mode (key_view);
    ephy_node_view_add_column (key_view, _("Keywords"),
                       EPHY_TREE_MODEL_NODE_COL_KEYWORD, FALSE);
    gtk_box_pack_start (GTK_BOX (hbox), GTK_WIDGET (key_view), FALSE, TRUE, 0);
    gtk_widget_set_size_request (GTK_WIDGET (key_view), 180, -1);
    gtk_widget_show (GTK_WIDGET (key_view));
    editor->priv->key_view = key_view;
    g_signal_connect (G_OBJECT (key_view),
              "node_selected",
              G_CALLBACK (keyword_node_selected_cb),
              editor);

    vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox),
                vbox, TRUE, TRUE, 0);
    gtk_widget_show (vbox);

    gtk_box_pack_start (GTK_BOX (vbox),
                build_search_box (editor),
                FALSE, FALSE, 0);

    node = ephy_bookmarks_get_bookmarks (editor->priv->bookmarks);
    editor->priv->bookmarks_filter = ephy_node_filter_new ();
    bm_view = ephy_node_view_new (node, editor->priv->bookmarks_filter);
    ephy_node_view_enable_drag_source (bm_view);
    ephy_node_view_add_icon_column (bm_view, EPHY_TREE_MODEL_NODE_COL_ICON);
    ephy_node_view_add_column (bm_view, _("Title"),
                   EPHY_TREE_MODEL_NODE_COL_BOOKMARK, TRUE);
    gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (bm_view), TRUE, TRUE, 0);
    gtk_widget_show (GTK_WIDGET (bm_view));
    editor->priv->bm_view = bm_view;
    g_signal_connect (G_OBJECT (bm_view),
              "node_activated",
              G_CALLBACK (ephy_bookmarks_editor_node_activated_cb),
              editor);
    g_signal_connect (G_OBJECT (bm_view),
              "node_selected",
              G_CALLBACK (ephy_bookmarks_editor_node_selected_cb),
              editor);

    gtk_box_pack_start (GTK_BOX (vbox),
                build_editing_table (editor),
                FALSE, FALSE, 0);

    gtk_dialog_add_button (GTK_DIALOG (editor),
                   GTK_STOCK_REMOVE,
                   RESPONSE_REMOVE);
    gtk_dialog_add_button (GTK_DIALOG (editor),
                   GTK_STOCK_CLOSE,
                   GTK_RESPONSE_CLOSE);
    gtk_dialog_set_default_response (GTK_DIALOG (editor), GTK_RESPONSE_CLOSE);

    selected_id_str = eel_gconf_get_string (CONF_BOOKMARKS_SELECTED_NODE);
    selected_id = g_ascii_strtoull (selected_id_str, NULL, 10);
    if (selected_id <= 0)
    {
        g_free (selected_id_str);
        return;
    }

    selected_node = ephy_node_get_from_id (selected_id);
    if (selected_node != NULL)
    {
        ephy_node_view_select_node (key_view, selected_node);
    }

    g_free (selected_id_str);
}

GtkWidget *
ephy_bookmarks_editor_new (EphyBookmarks *bookmarks,
               GtkWindow *parent)
{
    EphyBookmarksEditor *editor;

    g_assert (bookmarks != NULL);

    editor = EPHY_BOOKMARKS_EDITOR (g_object_new
            (EPHY_TYPE_BOOKMARKS_EDITOR,
             "bookmarks", bookmarks,
             NULL));

    if (parent)
    {
        gtk_window_set_transient_for (GTK_WINDOW (editor), parent);
    }

    ephy_bookmarks_editor_construct (editor);

    return GTK_WIDGET (editor);
}

static void
ephy_bookmarks_editor_set_property (GObject *object,
                            guint prop_id,
                            const GValue *value,
                            GParamSpec *pspec)
{
    EphyBookmarksEditor *editor = EPHY_BOOKMARKS_EDITOR (object);

    switch (prop_id)
    {
    case PROP_BOOKMARKS:
        editor->priv->bookmarks = g_value_get_object (value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_bookmarks_editor_get_property (GObject *object,
                            guint prop_id,
                            GValue *value,
                            GParamSpec *pspec)
{
    EphyBookmarksEditor *editor = EPHY_BOOKMARKS_EDITOR (object);

    switch (prop_id)
    {
    case PROP_BOOKMARKS:
        g_value_set_object (value, editor->priv->bookmarks);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_bookmarks_editor_init (EphyBookmarksEditor *editor)
{
    editor->priv = g_new0 (EphyBookmarksEditorPrivate, 1);
}