/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * gal-define-views-model.c * Copyright 2000, 2001, Ximian, Inc. * * Authors: * Chris Lahey * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License, version 2, as published by the Free Software Foundation. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */ #include #include #include #include #include "gal-define-views-model.h" #include #include #define PARENT_TYPE E_TABLE_MODEL_TYPE static ETableModelClass *parent_class; /* * GalDefineViewsModel callbacks * These are the callbacks that define the behavior of our custom model. */ static void gal_define_views_model_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gal_define_views_model_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); enum { PROP_0, PROP_EDITABLE, PROP_COLLECTION }; static void gdvm_dispose(GObject *object) { GalDefineViewsModel *model = GAL_DEFINE_VIEWS_MODEL(object); if (model->collection) g_object_unref(model->collection); model->collection = NULL; if (G_OBJECT_CLASS (parent_class)->dispose) (* G_OBJECT_CLASS (parent_class)->dispose) (object); } /* This function returns the number of columns in our ETableModel. */ static int gdvm_col_count (ETableModel *etc) { return 1; } /* This function returns the number of rows in our ETableModel. */ static int 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 void * gdvm_value_at (ETableModel *etc, int col, int row) { GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL(etc); const char *value; value = gal_view_get_title (gal_view_collection_get_view(views->collection, row)); return (void *)(value ? value : ""); } /* This function sets the value at a particular point in our ETableModel. */ static void gdvm_set_value_at (ETableModel *etc, int col, int row, const void *val) { GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL(etc); if (views->editable) { e_table_model_pre_change(etc); gal_view_set_title(gal_view_collection_get_view(views->collection, row), 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, int col, int 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 void * gdvm_duplicate_value (ETableModel *etc, int col, const void *value) { return g_strdup(value); } /* This function frees the value passed to it. */ static void gdvm_free_value (ETableModel *etc, int col, void *value) { g_free(value); } static void * gdvm_initialize_value (ETableModel *etc, int col) { return g_strdup(""); } static gboolean gdvm_value_is_empty (ETableModel *etc, int col, const void *value) { return !(value && *(char *)value); } static char * gdvm_value_to_string (ETableModel *etc, int col, const void *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 (GObjectClass *object_class) { ETableModelClass *model_class = (ETableModelClass *) object_class; parent_class = g_type_class_ref (PARENT_TYPE); 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"), /*_( */"XXX blurb" /*)*/, FALSE, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_COLLECTION, g_param_spec_object ("collection", _("Collection"), /*_( */"XXX blurb" /*)*/, 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 (GObject *object) { GalDefineViewsModel *model = GAL_DEFINE_VIEWS_MODEL(object); model->collection = NULL; } static void gal_define_views_model_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GalDefineViewsModel *model; model = GAL_DEFINE_VIEWS_MODEL (object); switch (prop_id){ case PROP_EDITABLE: model->editable = g_value_get_boolean (value); break; 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)); break; } } static void gal_define_views_model_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GalDefineViewsModel *model; model = GAL_DEFINE_VIEWS_MODEL (object); switch (prop_id) { case PROP_EDITABLE: g_value_set_boolean (value, model->editable); break; case PROP_COLLECTION: g_value_set_object (value, model->collection); default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } E_MAKE_TYPE(gal_define_views_model, "GalDefineViewsModel", GalDefineViewsModel, gal_define_views_model_class_init, gal_define_views_model_init, PARENT_TYPE) /** * 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, int 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, int 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, int 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); }