evolution-3.6.4/widgets/table/e-cell-date.c

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  1 /*
  2  * This program is free software; you can redistribute it and/or
  3  * modify it under the terms of the GNU Lesser General Public
  4  * License as published by the Free Software Foundation; either
  5  * version 2 of the License, or (at your option) version 3.
  6  *
  7  * This program is distributed in the hope that it will be useful,
  8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 10  * Lesser General Public License for more details.
 11  *
 12  * You should have received a copy of the GNU Lesser General Public
 13  * License along with the program; if not, see <http://www.gnu.org/licenses/>
 14  *
 15  *
 16  * Authors:
 17  *		Chris Lahey <clahey@ximian.com>
 18  *
 19  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 20  *
 21  */
 22 
 23 #ifdef HAVE_CONFIG_H
 24 #include <config.h>
 25 #endif
 26 
 27 #include <sys/time.h>
 28 #include <time.h>
 29 #include <unistd.h>
 30 #include <string.h>
 31 
 32 #include <glib/gi18n.h>
 33 #include "e-util/e-util.h"
 34 #include "e-util/e-unicode.h"
 35 #include "e-util/e-datetime-format.h"
 36 
 37 #include "e-cell-date.h"
 38 
 39 G_DEFINE_TYPE (ECellDate, e_cell_date, E_TYPE_CELL_TEXT)
 40 
 41 static gchar *
 42 ecd_get_text (ECellText *cell,
 43               ETableModel *model,
 44               gint col,
 45               gint row)
 46 {
 47 	time_t date = GPOINTER_TO_INT (e_table_model_value_at (model, col, row));
 48 	const gchar *fmt_component, *fmt_part = NULL;
 49 
 50 	if (date == 0) {
 51 		return g_strdup (_("?"));
 52 	}
 53 
 54 	fmt_component = g_object_get_data ((GObject *) cell, "fmt-component");
 55 	if (!fmt_component || !*fmt_component)
 56 		fmt_component = "Default";
 57 	else
 58 		fmt_part = "table";
 59 
 60 	return e_datetime_format_format (
 61 		fmt_component, fmt_part, DTFormatKindDateTime, date);
 62 }
 63 
 64 static void
 65 ecd_free_text (ECellText *cell,
 66                gchar *text)
 67 {
 68 	g_free (text);
 69 }
 70 
 71 static void
 72 e_cell_date_class_init (ECellDateClass *class)
 73 {
 74 	ECellTextClass *ectc = E_CELL_TEXT_CLASS (class);
 75 
 76 	ectc->get_text  = ecd_get_text;
 77 	ectc->free_text = ecd_free_text;
 78 }
 79 
 80 static void
 81 e_cell_date_init (ECellDate *ecd)
 82 {
 83 }
 84 
 85 /**
 86  * e_cell_date_new:
 87  * @fontname: font to be used to render on the screen
 88  * @justify: Justification of the string in the cell.
 89  *
 90  * Creates a new ECell renderer that can be used to render dates that
 91  * that come from the model.  The value returned from the model is
 92  * interpreted as being a time_t.
 93  *
 94  * The ECellDate object support a large set of properties that can be
 95  * configured through the Gtk argument system and allows the user to have
 96  * a finer control of the way the string is displayed.  The arguments supported
 97  * allow the control of strikeout, bold, color and a date filter.
 98  *
 99  * The arguments "strikeout_column", "underline_column", "bold_column"
100  * and "color_column" set and return an integer that points to a
101  * column in the model that controls these settings.  So controlling
102  * the way things are rendered is achieved by having special columns
103  * in the model that will be used to flag whether the date should be
104  * rendered with strikeout, underline, or bolded.  In the case of the
105  * "color_column" argument, the column in the model is expected to
106  * have a string that can be parsed by gdk_color_parse().
107  *
108  * Returns: an ECell object that can be used to render dates.
109  */
110 ECell *
111 e_cell_date_new (const gchar *fontname,
112                  GtkJustification justify)
113 {
114 	ECellDate *ecd = g_object_new (E_TYPE_CELL_DATE, NULL);
115 
116 	e_cell_text_construct (E_CELL_TEXT (ecd), fontname, justify);
117 
118 	return (ECell *) ecd;
119 }
120 
121 void
122 e_cell_date_set_format_component (ECellDate *ecd,
123                                   const gchar *fmt_component)
124 {
125 	g_return_if_fail (ecd != NULL);
126 
127 	g_object_set_data_full (
128 		G_OBJECT (ecd), "fmt-component",
129 		g_strdup (fmt_component), g_free);
130 }