1 files changed, 311 insertions, 0 deletions
diff --git a/src/eom-save-as-dialog-helper.c b/src/eom-save-as-dialog-helper.c
new file mode 100644
index 0000000..e2ff12e
--- /dev/null
+++ b/src/eom-save-as-dialog-helper.c
@@ -0,0 +1,311 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include "eom-save-as-dialog-helper.h"
+#include "eom-pixbuf-util.h"
+#include "eom-file-chooser.h"
+
+typedef struct {
+	GtkWidget *dir_chooser;
+	GtkWidget *token_entry;
+	GtkWidget *replace_spaces_check;
+	GtkWidget *counter_spin;
+	GtkWidget *preview_label;
+	GtkWidget *format_combobox;
+
+	guint      idle_id;
+	gint       n_images;
+	EomImage  *image;
+	gint       nth_image;
+} SaveAsData;
+
+static GdkPixbufFormat *
+get_selected_format (GtkComboBox *combobox)
+{
+	GdkPixbufFormat *format;
+	GtkTreeModel *store;
+	GtkTreeIter iter;
+
+	gtk_combo_box_get_active_iter (combobox, &iter);
+	store = gtk_combo_box_get_model (combobox);
+	gtk_tree_model_get (store, &iter, 1, &format, -1);
+
+	return format;
+}
+
+static gboolean
+update_preview (gpointer user_data)
+{
+	SaveAsData *data;
+	char *preview_str = NULL;
+	const char *token_str;
+	gboolean convert_spaces;
+	gulong   counter_start;
+	GdkPixbufFormat *format;
+
+	data = g_object_get_data (G_OBJECT (user_data), "data");
+	g_assert (data != NULL);
+
+	if (data->image == NULL) return FALSE;
+
+	/* obtain required dialog data */
+	token_str = gtk_entry_get_text (GTK_ENTRY (data->token_entry));
+	convert_spaces = gtk_toggle_button_get_active
+		(GTK_TOGGLE_BUTTON (data->replace_spaces_check));
+	counter_start = gtk_spin_button_get_value_as_int
+		(GTK_SPIN_BUTTON (data->counter_spin));
+
+	format = get_selected_format (GTK_COMBO_BOX (data->format_combobox));
+
+	if (token_str != NULL) {
+		/* generate preview filename */
+		preview_str = eom_uri_converter_preview (token_str, data->image, format,
+							 (counter_start + data->nth_image),
+							 data->n_images,
+							 convert_spaces, '_' /* FIXME: make this editable */);
+	}
+
+	gtk_label_set_text (GTK_LABEL (data->preview_label), preview_str);
+
+	g_free (preview_str);
+
+	data->idle_id = 0;
+
+	return FALSE;
+}
+
+static void
+request_preview_update (GtkWidget *dlg)
+{
+	SaveAsData *data;
+
+	data = g_object_get_data (G_OBJECT (dlg), "data");
+	g_assert (data != NULL);
+
+	if (data->idle_id != 0)
+		return;
+
+	data->idle_id = g_idle_add (update_preview, dlg);
+}
+
+static void
+on_format_combobox_changed (GtkComboBox *widget, gpointer data)
+{
+	request_preview_update (GTK_WIDGET (data));
+}
+
+static void
+on_token_entry_changed (GtkWidget *widget, gpointer user_data)
+{
+	SaveAsData *data;
+	gboolean enable_save;
+
+	data = g_object_get_data (G_OBJECT (user_data), "data");
+	g_assert (data != NULL);
+
+	request_preview_update (GTK_WIDGET (user_data));
+
+	enable_save = (strlen (gtk_entry_get_text (GTK_ENTRY (data->token_entry))) > 0);
+	gtk_dialog_set_response_sensitive (GTK_DIALOG (user_data), GTK_RESPONSE_OK,
+					   enable_save);
+}
+
+static void
+on_replace_spaces_check_clicked (GtkWidget *widget, gpointer data)
+{
+	request_preview_update (GTK_WIDGET (data));
+}
+
+static void
+on_counter_spin_changed (GtkWidget *widget, gpointer data)
+{
+	request_preview_update (GTK_WIDGET (data));
+}
+
+static void
+prepare_format_combobox (SaveAsData *data)
+{
+	GtkComboBox *combobox;
+	GtkCellRenderer *cell;
+	GSList *formats;
+	GtkListStore *store;
+	GSList *it;
+	GtkTreeIter iter;
+
+	combobox = GTK_COMBO_BOX (data->format_combobox);
+
+	store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
+	gtk_combo_box_set_model (combobox, GTK_TREE_MODEL (store));
+
+	cell = gtk_cell_renderer_text_new ();
+	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox), cell, TRUE);
+	gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combobox), cell,
+				 	"text", 0);
+
+	formats = eom_pixbuf_get_savable_formats ();
+	for (it = formats; it != NULL; it = it->next) {
+		GdkPixbufFormat *f;
+
+		f = (GdkPixbufFormat*) it->data;
+
+		gtk_list_store_append (store, &iter);
+		gtk_list_store_set (store, &iter, 0, gdk_pixbuf_format_get_name (f), 1, f, -1);
+	}
+	g_slist_free (formats);
+
+	gtk_list_store_append (store, &iter);
+	gtk_list_store_set (store, &iter, 0, _("as is"), 1, NULL, -1);
+	gtk_combo_box_set_active_iter (combobox, &iter);
+	gtk_widget_show_all (GTK_WIDGET (combobox));
+}
+
+static void
+destroy_data_cb (gpointer data)
+{
+	SaveAsData *sd;
+
+	sd = (SaveAsData*) data;
+
+	if (sd->image != NULL)
+		g_object_unref (sd->image);
+
+	if (sd->idle_id != 0)
+		g_source_remove (sd->idle_id);
+
+	g_slice_free (SaveAsData, sd);
+}
+
+static void
+set_default_values (GtkWidget *dlg, GFile *base_file)
+{
+	SaveAsData *sd;
+
+	sd = (SaveAsData*) g_object_get_data (G_OBJECT (dlg), "data");
+
+	gtk_spin_button_set_value (GTK_SPIN_BUTTON (sd->counter_spin), 0.0);
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sd->replace_spaces_check),
+				      FALSE);
+	if (base_file != NULL) {
+		gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (sd->dir_chooser), base_file, NULL);
+	}
+
+	/*gtk_dialog_set_response_sensitive (GTK_DIALOG (dlg), GTK_RESPONSE_OK, FALSE);*/
+
+	request_preview_update (dlg);
+}
+
+GtkWidget*
+eom_save_as_dialog_new (GtkWindow *main, GList *images, GFile *base_file)
+{
+	char *filepath;
+	GtkBuilder  *xml;
+	GtkWidget *dlg;
+	SaveAsData *data;
+	GtkWidget *label;
+
+	filepath = g_build_filename (EOM_DATA_DIR,
+				     "eom-multiple-save-as-dialog.ui",
+				     NULL);
+
+	xml = gtk_builder_new ();
+	gtk_builder_set_translation_domain (xml, GETTEXT_PACKAGE);
+	g_assert (gtk_builder_add_from_file (xml, filepath, NULL));
+
+	g_free (filepath);
+
+	dlg = GTK_WIDGET (g_object_ref (gtk_builder_get_object (xml, "eom_multiple_save_as_dialog")));
+	gtk_window_set_transient_for (GTK_WINDOW (dlg), GTK_WINDOW (main));
+	gtk_window_set_position (GTK_WINDOW (dlg), GTK_WIN_POS_CENTER_ON_PARENT);
+
+	data = g_slice_new0 (SaveAsData);
+	/* init widget references */
+	data->dir_chooser = GTK_WIDGET (gtk_builder_get_object (xml,
+								"dir_chooser"));
+	data->token_entry = GTK_WIDGET (gtk_builder_get_object (xml,
+								"token_entry"));
+	data->replace_spaces_check = GTK_WIDGET (gtk_builder_get_object (xml,
+						       "replace_spaces_check"));
+	data->counter_spin = GTK_WIDGET (gtk_builder_get_object (xml,
+							       "counter_spin"));
+	data->preview_label = GTK_WIDGET (gtk_builder_get_object (xml,
+							      "preview_label"));
+	data->format_combobox = GTK_WIDGET (gtk_builder_get_object (xml,
+							    "format_combobox"));
+
+	/* init preview information */
+	data->idle_id = 0;
+	data->n_images = g_list_length (images);
+	data->nth_image = (int) ((float) data->n_images * rand() / (float) (RAND_MAX+1.0));
+	g_assert (data->nth_image >= 0 && data->nth_image < data->n_images);
+	data->image = g_object_ref (G_OBJECT (g_list_nth_data (images, data->nth_image)));
+	g_object_set_data_full (G_OBJECT (dlg), "data", data, destroy_data_cb);
+
+	g_signal_connect (G_OBJECT (data->format_combobox), "changed",
+			  (GCallback) on_format_combobox_changed, dlg);
+
+	g_signal_connect (G_OBJECT (data->token_entry), "changed",
+			  (GCallback) on_token_entry_changed, dlg);
+
+	g_signal_connect (G_OBJECT (data->replace_spaces_check), "toggled",
+			  (GCallback) on_replace_spaces_check_clicked, dlg);
+
+	g_signal_connect (G_OBJECT (data->counter_spin), "changed",
+			  (GCallback) on_counter_spin_changed, dlg);
+
+	label = GTK_WIDGET (gtk_builder_get_object (xml, "preview_label_from"));
+	gtk_label_set_text (GTK_LABEL (label), eom_image_get_caption (data->image));
+
+	prepare_format_combobox (data);
+
+	set_default_values (dlg, base_file);
+	g_object_unref (xml);
+	return dlg;
+}
+
+EomURIConverter*
+eom_save_as_dialog_get_converter (GtkWidget *dlg)
+{
+	EomURIConverter *conv;
+
+	SaveAsData *data;
+	const char *format_str;
+	gboolean convert_spaces;
+	gulong   counter_start;
+	GdkPixbufFormat *format;
+	GFile *base_file;
+
+	data = g_object_get_data (G_OBJECT (dlg), "data");
+	g_assert (data != NULL);
+
+	/* obtain required dialog data */
+	format_str = gtk_entry_get_text (GTK_ENTRY (data->token_entry));
+
+	convert_spaces = gtk_toggle_button_get_active
+		(GTK_TOGGLE_BUTTON (data->replace_spaces_check));
+
+	counter_start = gtk_spin_button_get_value_as_int
+		(GTK_SPIN_BUTTON (data->counter_spin));
+
+	format = get_selected_format (GTK_COMBO_BOX (data->format_combobox));
+
+	base_file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (data->dir_chooser));
+
+	/* create converter object */
+	conv = eom_uri_converter_new (base_file, format, format_str);
+
+	/* set other properties */
+	g_object_set (G_OBJECT (conv),
+		      "convert-spaces", convert_spaces,
+		      "space-character", '_',
+		      "counter-start", counter_start,
+		      "n-images", data->n_images,
+		      NULL);
+
+	g_object_unref (base_file);
+
+	return conv;
+}