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Diffstat (limited to 'e-util/gal-define-views-model.c')
| -rw-r--r-- | e-util/gal-define-views-model.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/e-util/gal-define-views-model.c b/e-util/gal-define-views-model.c new file mode 100644 index 0000000000..f9963acbfe --- /dev/null +++ b/e-util/gal-define-views-model.c @@ -0,0 +1,352 @@ +/* + * 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/> + * + * + * Authors: + * Chris Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <libxml/tree.h> +#include <libxml/parser.h> +#include <libxml/xmlmemory.h> + +#include <glib/gi18n.h> + +#include "gal-define-views-model.h" + +G_DEFINE_TYPE (GalDefineViewsModel, gal_define_views_model, E_TYPE_TABLE_MODEL) + +enum { + PROP_0, + PROP_EDITABLE, + PROP_COLLECTION +}; + +static void +gal_define_views_model_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GalDefineViewsModel *model; + + model = GAL_DEFINE_VIEWS_MODEL (object); + + switch (property_id) { + case PROP_EDITABLE: + model->editable = g_value_get_boolean (value); + return; + + case PROP_COLLECTION: + e_table_model_pre_change (E_TABLE_MODEL (object)); + if (g_value_get_object (value)) + model->collection = GAL_VIEW_COLLECTION ( + g_value_get_object (value)); + else + model->collection = NULL; + e_table_model_changed (E_TABLE_MODEL (object)); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +gal_define_views_model_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GalDefineViewsModel *model; + + model = GAL_DEFINE_VIEWS_MODEL (object); + + switch (property_id) { + case PROP_EDITABLE: + g_value_set_boolean (value, model->editable); + return; + + case PROP_COLLECTION: + g_value_set_object (value, model->collection); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +gdvm_dispose (GObject *object) +{ + GalDefineViewsModel *model = GAL_DEFINE_VIEWS_MODEL (object); + + if (model->collection) + g_object_unref (model->collection); + model->collection = NULL; + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (gal_define_views_model_parent_class)->dispose (object); +} + +/* This function returns the number of columns in our ETableModel. */ +static gint +gdvm_col_count (ETableModel *etc) +{ + return 1; +} + +/* This function returns the number of rows in our ETableModel. */ +static gint +gdvm_row_count (ETableModel *etc) +{ + GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL (etc); + if (views->collection) + return gal_view_collection_get_count (views->collection); + else + return 0; +} + +/* This function returns the value at a particular point in our ETableModel. */ +static gpointer +gdvm_value_at (ETableModel *etc, + gint col, + gint row) +{ + GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL (etc); + GalView *view; + const gchar *value; + + view = gal_view_collection_get_view (views->collection, row); + value = gal_view_get_title (view); + + return (gpointer) ((value != NULL) ? value : ""); +} + +/* This function sets the value at a particular point in our ETableModel. */ +static void +gdvm_set_value_at (ETableModel *etc, + gint col, + gint row, + gconstpointer val) +{ + GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL (etc); + if (views->editable) { + GalView *view; + + view = gal_view_collection_get_view (views->collection, row); + + e_table_model_pre_change (etc); + gal_view_set_title (view, val); + e_table_model_cell_changed (etc, col, row); + } +} + +/* This function returns whether a particular cell is editable. */ +static gboolean +gdvm_is_cell_editable (ETableModel *etc, + gint col, + gint row) +{ + return GAL_DEFINE_VIEWS_MODEL (etc)->editable; +} + +static void +gdvm_append_row (ETableModel *etm, + ETableModel *source, + gint row) +{ +} + +/* This function duplicates the value passed to it. */ +static gpointer +gdvm_duplicate_value (ETableModel *etc, + gint col, + gconstpointer value) +{ + return g_strdup (value); +} + +/* This function frees the value passed to it. */ +static void +gdvm_free_value (ETableModel *etc, + gint col, + gpointer value) +{ + g_free (value); +} + +static gpointer +gdvm_initialize_value (ETableModel *etc, + gint col) +{ + return g_strdup (""); +} + +static gboolean +gdvm_value_is_empty (ETableModel *etc, + gint col, + gconstpointer value) +{ + return !(value && *(gchar *) value); +} + +static gchar * +gdvm_value_to_string (ETableModel *etc, + gint col, + gconstpointer value) +{ + return g_strdup (value); +} + +/** + * gal_define_views_model_append + * @model: The model to add to. + * @view: The view to add. + * + * Adds the given view to the gal define views model. + */ +void +gal_define_views_model_append (GalDefineViewsModel *model, + GalView *view) +{ + ETableModel *etm = E_TABLE_MODEL (model); + + e_table_model_pre_change (etm); + gal_view_collection_append (model->collection, view); + e_table_model_row_inserted ( + etm, gal_view_collection_get_count (model->collection) - 1); +} + +static void +gal_define_views_model_class_init (GalDefineViewsModelClass *class) +{ + ETableModelClass *model_class = E_TABLE_MODEL_CLASS (class); + GObjectClass *object_class = G_OBJECT_CLASS (class); + + object_class->dispose = gdvm_dispose; + object_class->set_property = gal_define_views_model_set_property; + object_class->get_property = gal_define_views_model_get_property; + + g_object_class_install_property ( + object_class, + PROP_EDITABLE, + g_param_spec_boolean ( + "editable", + "Editable", + NULL, + FALSE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_COLLECTION, + g_param_spec_object ( + "collection", + "Collection", + NULL, + GAL_VIEW_COLLECTION_TYPE, + G_PARAM_READWRITE)); + + model_class->column_count = gdvm_col_count; + model_class->row_count = gdvm_row_count; + model_class->value_at = gdvm_value_at; + model_class->set_value_at = gdvm_set_value_at; + model_class->is_cell_editable = gdvm_is_cell_editable; + model_class->append_row = gdvm_append_row; + model_class->duplicate_value = gdvm_duplicate_value; + model_class->free_value = gdvm_free_value; + model_class->initialize_value = gdvm_initialize_value; + model_class->value_is_empty = gdvm_value_is_empty; + model_class->value_to_string = gdvm_value_to_string; +} + +static void +gal_define_views_model_init (GalDefineViewsModel *model) +{ + model->collection = NULL; +} + +/** + * gal_define_views_model_new + * + * Returns a new define views model. This is a list of views as an + * ETable for use in the GalDefineViewsDialog. + * + * Returns: The new GalDefineViewsModel. + */ +ETableModel * +gal_define_views_model_new (void) +{ + GalDefineViewsModel *et; + + et = g_object_new (GAL_DEFINE_VIEWS_MODEL_TYPE, NULL); + + return E_TABLE_MODEL (et); +} + +/** + * gal_define_views_model_get_view: + * @model: The GalDefineViewsModel. + * @n: Which view to get. + * + * Gets the nth view. + * + * Returns: The view. + */ +GalView * +gal_define_views_model_get_view (GalDefineViewsModel *model, + gint n) +{ + return gal_view_collection_get_view (model->collection, n); +} + +/** + * gal_define_views_model_delete_view: + * @model: The GalDefineViewsModel. + * @n: Which view to delete. + * + * Deletes the nth view. + */ +void +gal_define_views_model_delete_view (GalDefineViewsModel *model, + gint n) +{ + e_table_model_pre_change (E_TABLE_MODEL (model)); + gal_view_collection_delete_view (model->collection, n); + e_table_model_row_deleted (E_TABLE_MODEL (model), n); +} + +/** + * gal_define_views_model_copy_view: + * @model: The GalDefineViewsModel. + * @n: Which view to copy. + * + * Copys the nth view. + */ +void +gal_define_views_model_copy_view (GalDefineViewsModel *model, + gint n) +{ + ETableModel *etm = E_TABLE_MODEL (model); + e_table_model_pre_change (etm); + gal_view_collection_copy_view (model->collection, n); + e_table_model_row_inserted ( + etm, gal_view_collection_get_count (model->collection) - 1); +} |