f8172191ad
2002-11-05 Mike Kestner <mkestner@ximian.com> * e-table-item.c : use GObject api for models * e-table-memory-callbacks.[ch] : GObjectify * e-table-memory-store.[ch] : GObjectify * e-table-memory.[ch] : GObjectify * e-table-model.[ch] : GObjectify * e-table-one.[ch] : GObjectify * e-table-simple.[ch] : GObjectify * e-tree-memory.[ch] : GObjectify * e-tree-model.[ch] : GObjectify * e-tree-selection-model.c : use GObject api for models * e-tree-simple.[ch] : GObjectify * e-tree-sorted.[ch] : GObjectify * e-tree-table-adapter.[ch] : GObjectify * e-tree.c : use GObject api for models svn path=/trunk/; revision=18553
580 lines
18 KiB
C
580 lines
18 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* e-table-model.c
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* Copyright 2000, 2001, Ximian, Inc.
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*
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* Authors:
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* Chris Lahey <clahey@ximian.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License, version 2, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <config.h>
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#include <glib-object.h>
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#include "e-table-model.h"
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#include "gal/util/e-util.h"
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#include "gal/util/e-marshal.h"
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#define ETM_CLASS(e) (E_TABLE_MODEL_GET_CLASS (e))
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#define d(x)
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d(static gint depth = 0;)
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static GObjectClass *e_table_model_parent_class;
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enum {
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MODEL_NO_CHANGE,
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MODEL_CHANGED,
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MODEL_PRE_CHANGE,
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MODEL_ROW_CHANGED,
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MODEL_CELL_CHANGED,
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MODEL_ROWS_INSERTED,
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MODEL_ROWS_DELETED,
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ROW_SELECTION,
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LAST_SIGNAL
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};
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static guint e_table_model_signals [LAST_SIGNAL] = { 0, };
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/**
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* e_table_model_column_count:
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* @e_table_model: The e-table-model to operate on
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*
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* Returns: the number of columns in the table model.
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*/
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int
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e_table_model_column_count (ETableModel *e_table_model)
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{
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g_return_val_if_fail (e_table_model != NULL, 0);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), 0);
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return ETM_CLASS (e_table_model)->column_count (e_table_model);
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}
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/**
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* e_table_model_row_count:
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* @e_table_model: the e-table-model to operate on
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*
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* Returns: the number of rows in the Table model.
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*/
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int
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e_table_model_row_count (ETableModel *e_table_model)
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{
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g_return_val_if_fail (e_table_model != NULL, 0);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), 0);
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return ETM_CLASS (e_table_model)->row_count (e_table_model);
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}
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/**
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* e_table_model_append_row:
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* @e_table_model: the table model to append the a row to.
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* @source:
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* @row:
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*
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*/
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void
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e_table_model_append_row (ETableModel *e_table_model, ETableModel *source, int row)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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if (ETM_CLASS (e_table_model)->append_row)
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ETM_CLASS (e_table_model)->append_row (e_table_model, source, row);
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}
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/**
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* e_table_value_at:
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* @e_table_model: the e-table-model to operate on
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* @col: column in the model to pull data from.
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* @row: row in the model to pull data from.
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*
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* Return value: This function returns the value that is stored
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* by the @e_table_model in column @col and row @row. The data
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* returned can be a pointer or any data value that can be stored
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* inside a pointer.
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*
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* The data returned is typically used by an ECell renderer.
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*
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* The data returned must be valid until the model sends a signal that
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* affect that piece of data. model_changed affects all data.
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* row_changed affects the data in that row. cell_changed affects the
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* data in that cell. rows_deleted affects all data in those rows.
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* rows_inserted and no_change don't affect any data in this way.
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**/
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void *
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e_table_model_value_at (ETableModel *e_table_model, int col, int row)
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{
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g_return_val_if_fail (e_table_model != NULL, NULL);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), NULL);
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return ETM_CLASS (e_table_model)->value_at (e_table_model, col, row);
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}
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/**
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* e_table_model_set_value_at:
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* @e_table_model: the table model to operate on.
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* @col: the column where the data will be stored in the model.
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* @row: the row where the data will be stored in the model.
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* @value: the data to be stored.
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*
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* This function instructs the model to store the value in @data in the
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* the @e_table_model at column @col and row @row. The @data typically
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* comes from one of the ECell rendering objects.
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*
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* There should be an agreement between the Table Model and the user
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* of this function about the data being stored. Typically it will
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* be a pointer to a set of data, or a datum that fits inside a void *.
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*/
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void
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e_table_model_set_value_at (ETableModel *e_table_model, int col, int row, const void *value)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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ETM_CLASS (e_table_model)->set_value_at (e_table_model, col, row, value);
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}
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/**
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* e_table_model_is_cell_editable:
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* @e_table_model: the table model to query.
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* @col: column to query.
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* @row: row to query.
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*
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* Returns: %TRUE if the cell in @e_table_model at @col,@row can be
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* edited, %FALSE otherwise
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*/
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gboolean
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e_table_model_is_cell_editable (ETableModel *e_table_model, int col, int row)
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{
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g_return_val_if_fail (e_table_model != NULL, FALSE);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), FALSE);
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return ETM_CLASS (e_table_model)->is_cell_editable (e_table_model, col, row);
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}
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void *
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e_table_model_duplicate_value (ETableModel *e_table_model, int col, const void *value)
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{
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g_return_val_if_fail (e_table_model != NULL, NULL);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), NULL);
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if (ETM_CLASS (e_table_model)->duplicate_value)
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return ETM_CLASS (e_table_model)->duplicate_value (e_table_model, col, value);
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else
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return NULL;
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}
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void
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e_table_model_free_value (ETableModel *e_table_model, int col, void *value)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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if (ETM_CLASS (e_table_model)->free_value)
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ETM_CLASS (e_table_model)->free_value (e_table_model, col, value);
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}
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gboolean
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e_table_model_has_save_id (ETableModel *e_table_model)
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{
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g_return_val_if_fail (e_table_model != NULL, FALSE);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), FALSE);
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if (ETM_CLASS (e_table_model)->has_save_id)
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return ETM_CLASS (e_table_model)->has_save_id (e_table_model);
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else
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return FALSE;
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}
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char *
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e_table_model_get_save_id (ETableModel *e_table_model, int row)
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{
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g_return_val_if_fail (e_table_model != NULL, "/");
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), "/");
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if (ETM_CLASS (e_table_model)->get_save_id)
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return ETM_CLASS (e_table_model)->get_save_id (e_table_model, row);
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else
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return NULL;
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}
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gboolean
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e_table_model_has_change_pending(ETableModel *e_table_model)
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{
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g_return_val_if_fail (e_table_model != NULL, FALSE);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), FALSE);
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if (ETM_CLASS (e_table_model)->has_change_pending)
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return ETM_CLASS (e_table_model)->has_change_pending (e_table_model);
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else
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return FALSE;
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}
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void *
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e_table_model_initialize_value (ETableModel *e_table_model, int col)
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{
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g_return_val_if_fail (e_table_model != NULL, NULL);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), NULL);
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if (ETM_CLASS (e_table_model)->initialize_value)
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return ETM_CLASS (e_table_model)->initialize_value (e_table_model, col);
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else
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return NULL;
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}
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gboolean
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e_table_model_value_is_empty (ETableModel *e_table_model, int col, const void *value)
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{
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g_return_val_if_fail (e_table_model != NULL, FALSE);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), FALSE);
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if (ETM_CLASS (e_table_model)->value_is_empty)
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return ETM_CLASS (e_table_model)->value_is_empty (e_table_model, col, value);
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else
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return FALSE;
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}
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char *
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e_table_model_value_to_string (ETableModel *e_table_model, int col, const void *value)
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{
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g_return_val_if_fail (e_table_model != NULL, NULL);
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g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), NULL);
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if (ETM_CLASS (e_table_model)->value_to_string)
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return ETM_CLASS (e_table_model)->value_to_string (e_table_model, col, value);
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else
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return g_strdup("");
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}
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static void
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e_table_model_finalize (GObject *object)
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{
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if (e_table_model_parent_class->finalize)
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(*e_table_model_parent_class->finalize)(object);
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}
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static void
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e_table_model_class_init (GObjectClass *object_class)
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{
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ETableModelClass *klass = E_TABLE_MODEL_CLASS(object_class);
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e_table_model_parent_class = g_type_class_peek_parent (object_class);
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object_class->finalize = e_table_model_finalize;
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e_table_model_signals [MODEL_NO_CHANGE] =
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g_signal_new ("model_no_change",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_no_change),
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(GSignalAccumulator) NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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e_table_model_signals [MODEL_CHANGED] =
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g_signal_new ("model_changed",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_changed),
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(GSignalAccumulator) NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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e_table_model_signals [MODEL_PRE_CHANGE] =
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g_signal_new ("model_pre_change",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_pre_change),
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(GSignalAccumulator) NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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e_table_model_signals [MODEL_ROW_CHANGED] =
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g_signal_new ("model_row_changed",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_row_changed),
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(GSignalAccumulator) NULL, NULL,
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g_cclosure_marshal_VOID__INT,
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G_TYPE_NONE, 1, G_TYPE_INT);
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e_table_model_signals [MODEL_CELL_CHANGED] =
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g_signal_new ("model_cell_changed",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_cell_changed),
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(GSignalAccumulator) NULL, NULL,
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e_marshal_VOID__INT_INT,
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G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
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e_table_model_signals [MODEL_ROWS_INSERTED] =
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g_signal_new ("model_rows_inserted",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_rows_inserted),
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(GSignalAccumulator) NULL, NULL,
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e_marshal_VOID__INT_INT,
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G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
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e_table_model_signals [MODEL_ROWS_DELETED] =
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g_signal_new ("model_rows_deleted",
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E_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ETableModelClass, model_rows_deleted),
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(GSignalAccumulator) NULL, NULL,
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e_marshal_VOID__INT_INT,
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G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
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klass->column_count = NULL;
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klass->row_count = NULL;
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klass->append_row = NULL;
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klass->value_at = NULL;
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klass->set_value_at = NULL;
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klass->is_cell_editable = NULL;
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klass->has_save_id = NULL;
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klass->get_save_id = NULL;
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klass->has_change_pending = NULL;
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klass->duplicate_value = NULL;
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klass->free_value = NULL;
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klass->initialize_value = NULL;
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klass->value_is_empty = NULL;
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klass->value_to_string = NULL;
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klass->model_no_change = NULL;
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klass->model_changed = NULL;
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klass->model_row_changed = NULL;
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klass->model_cell_changed = NULL;
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klass->model_rows_inserted = NULL;
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klass->model_rows_deleted = NULL;
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}
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E_MAKE_TYPE(e_table_model, "ETableModel", ETableModel, e_table_model_class_init, NULL, G_TYPE_OBJECT)
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#if d(!)0
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static void
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print_tabs (void)
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{
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int i;
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for (i = 0; i < depth; i++)
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g_print("\t");
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}
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#endif
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void
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e_table_model_pre_change (ETableModel *e_table_model)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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d(print_tabs());
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d(g_print("Emitting pre_change on model 0x%p, a %s.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type)));
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d(depth++);
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g_signal_emit (G_OBJECT (e_table_model),
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e_table_model_signals [MODEL_PRE_CHANGE], 0);
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d(depth--);
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}
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/**
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* e_table_model_no_change:
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* @e_table_model: the table model to notify of the lack of a change
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*
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* Use this function to notify any views of this table model that
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* the contents of the table model have changed. This will emit
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* the signal "model_no_change" on the @e_table_model object.
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*
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* It is preferable to use the e_table_model_row_changed() and
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* the e_table_model_cell_changed() to notify of smaller changes
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* than to invalidate the entire model, as the views might have
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* ways of caching the information they render from the model.
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*/
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void
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e_table_model_no_change (ETableModel *e_table_model)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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d(print_tabs());
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d(g_print("Emitting model_no_change on model 0x%p, a %s.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type)));
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d(depth++);
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g_signal_emit (G_OBJECT (e_table_model),
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e_table_model_signals [MODEL_NO_CHANGE], 0);
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d(depth--);
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}
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/**
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* e_table_model_changed:
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* @e_table_model: the table model to notify of the change
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*
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* Use this function to notify any views of this table model that
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* the contents of the table model have changed. This will emit
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* the signal "model_changed" on the @e_table_model object.
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*
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* It is preferable to use the e_table_model_row_changed() and
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* the e_table_model_cell_changed() to notify of smaller changes
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* than to invalidate the entire model, as the views might have
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* ways of caching the information they render from the model.
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*/
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void
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e_table_model_changed (ETableModel *e_table_model)
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{
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g_return_if_fail (e_table_model != NULL);
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g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
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d(print_tabs());
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d(g_print("Emitting model_changed on model 0x%p, a %s.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type)));
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d(depth++);
|
|
g_signal_emit (G_OBJECT (e_table_model),
|
|
e_table_model_signals [MODEL_CHANGED], 0);
|
|
d(depth--);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_row_changed:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @row: the row that was changed in the model.
|
|
*
|
|
* Use this function to notify any views of the table model that
|
|
* the contents of row @row have changed in model. This function
|
|
* will emit the "model_row_changed" signal on the @e_table_model
|
|
* object
|
|
*/
|
|
void
|
|
e_table_model_row_changed (ETableModel *e_table_model, int row)
|
|
{
|
|
g_return_if_fail (e_table_model != NULL);
|
|
g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
|
|
|
|
d(print_tabs());
|
|
d(g_print("Emitting row_changed on model 0x%p, a %s, row %d.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type), row));
|
|
d(depth++);
|
|
g_signal_emit (G_OBJECT (e_table_model),
|
|
e_table_model_signals [MODEL_ROW_CHANGED], 0, row);
|
|
d(depth--);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_cell_changed:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @col: the column.
|
|
* @row: the row
|
|
*
|
|
* Use this function to notify any views of the table model that
|
|
* contents of the cell at @col,@row has changed. This will emit
|
|
* the "model_cell_changed" signal on the @e_table_model
|
|
* object
|
|
*/
|
|
void
|
|
e_table_model_cell_changed (ETableModel *e_table_model, int col, int row)
|
|
{
|
|
g_return_if_fail (e_table_model != NULL);
|
|
g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
|
|
|
|
d(print_tabs());
|
|
d(g_print("Emitting cell_changed on model 0x%p, a %s, row %d, col %d.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type), row, col));
|
|
d(depth++);
|
|
g_signal_emit (G_OBJECT (e_table_model),
|
|
e_table_model_signals [MODEL_CELL_CHANGED], 0, col, row);
|
|
d(depth--);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_rows_inserted:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @row: the row that was inserted into the model.
|
|
* @count: The number of rows that were inserted.
|
|
*
|
|
* Use this function to notify any views of the table model that
|
|
* @count rows at row @row have been inserted into the model. This
|
|
* function will emit the "model_rows_inserted" signal on the
|
|
* @e_table_model object
|
|
*/
|
|
void
|
|
e_table_model_rows_inserted (ETableModel *e_table_model, int row, int count)
|
|
{
|
|
g_return_if_fail (e_table_model != NULL);
|
|
g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
|
|
|
|
d(print_tabs());
|
|
d(g_print("Emitting row_inserted on model 0x%p, a %s, row %d.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type), row));
|
|
d(depth++);
|
|
g_signal_emit (G_OBJECT (e_table_model),
|
|
e_table_model_signals [MODEL_ROWS_INSERTED], 0, row, count);
|
|
d(depth--);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_row_inserted:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @row: the row that was inserted into the model.
|
|
*
|
|
* Use this function to notify any views of the table model that the
|
|
* row @row has been inserted into the model. This function will emit
|
|
* the "model_rows_inserted" signal on the @e_table_model object
|
|
*/
|
|
void
|
|
e_table_model_row_inserted (ETableModel *e_table_model, int row)
|
|
{
|
|
e_table_model_rows_inserted(e_table_model, row, 1);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_row_deleted:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @row: the row that was deleted
|
|
* @count: The number of rows deleted
|
|
*
|
|
* Use this function to notify any views of the table model that
|
|
* @count rows at row @row have been deleted from the model. This
|
|
* function will emit the "model_rows_deleted" signal on the
|
|
* @e_table_model object
|
|
*/
|
|
void
|
|
e_table_model_rows_deleted (ETableModel *e_table_model, int row, int count)
|
|
{
|
|
g_return_if_fail (e_table_model != NULL);
|
|
g_return_if_fail (E_IS_TABLE_MODEL (e_table_model));
|
|
|
|
d(print_tabs());
|
|
d(g_print("Emitting row_deleted on model 0x%p, a %s, row %d.\n", e_table_model, gtk_type_name (GTK_OBJECT(e_table_model)->klass->type), row));
|
|
d(depth++);
|
|
g_signal_emit (G_OBJECT (e_table_model),
|
|
e_table_model_signals [MODEL_ROWS_DELETED], 0, row, count);
|
|
d(depth--);
|
|
}
|
|
|
|
/**
|
|
* e_table_model_row_deleted:
|
|
* @e_table_model: the table model to notify of the change
|
|
* @row: the row that was deleted
|
|
*
|
|
* Use this function to notify any views of the table model that the
|
|
* row @row has been deleted from the model. This function will emit
|
|
* the "model_rows_deleted" signal on the @e_table_model object
|
|
*/
|
|
void
|
|
e_table_model_row_deleted (ETableModel *e_table_model, int row)
|
|
{
|
|
e_table_model_rows_deleted(e_table_model, row, 1);
|
|
}
|