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authorChristopher James Lahey <clahey@helixcode.com>2000-05-20 02:47:16 +0800
committerChris Lahey <clahey@src.gnome.org>2000-05-20 02:47:16 +0800
commit46f211579d1dfd60147099942b40c9697796e7c8 (patch)
tree5f8e8027e3e378bd2c8061ecf10061f4609ab02e /widgets/e-table/e-table-simple.c
parentae208c7e8ff0463666c52392553af2572a8ee9b5 (diff)
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Added initialize_value and value_is_empty callbacks.
2000-05-19 Christopher James Lahey <clahey@helixcode.com> * e-table-example-1.c, e-table-example-2.c, e-table-simple.c, e-table-simple.h, e-table-size-test.c, test-check.c, test-cols.c, test-table.c: Added initialize_value and value_is_empty callbacks. * e-table-model.c, e-table-model.h: Added initialize_value and value_is_callback virtual functions to the ETableModel class. * e-table-subset.c: Perpetuate the initialize_value and value_is_empty methods. svn path=/trunk/; revision=3138
Diffstat (limited to 'widgets/e-table/e-table-simple.c')
-rw-r--r--widgets/e-table/e-table-simple.c78
1 files changed, 62 insertions, 16 deletions
diff --git a/widgets/e-table/e-table-simple.c b/widgets/e-table/e-table-simple.c
index e8c4d1debb..7e0135b21e 100644
--- a/widgets/e-table/e-table-simple.c
+++ b/widgets/e-table/e-table-simple.c
@@ -18,63 +18,103 @@
static int
simple_column_count (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->col_count (etm, simple->data);
+ if (simple->col_count)
+ return simple->col_count (etm, simple->data);
+ else
+ return 0;
}
static int
simple_row_count (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->row_count (etm, simple->data);
+ if (simple->row_count)
+ return simple->row_count (etm, simple->data);
+ else
+ return 0;
}
static void *
simple_value_at (ETableModel *etm, int col, int row)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->value_at (etm, col, row, simple->data);
+ if (simple->value_at)
+ return simple->value_at (etm, col, row, simple->data);
+ else
+ return NULL;
}
static void
simple_set_value_at (ETableModel *etm, int col, int row, const void *val)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- simple->set_value_at (etm, col, row, val, simple->data);
+ if (simple->set_value_at)
+ simple->set_value_at (etm, col, row, val, simple->data);
}
static gboolean
simple_is_cell_editable (ETableModel *etm, int col, int row)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->is_cell_editable (etm, col, row, simple->data);
+ if (simple->is_cell_editable)
+ return simple->is_cell_editable (etm, col, row, simple->data);
+ else
+ return FALSE;
}
+/* The default for simple_duplicate_value is to return the raw value. */
static void *
simple_duplicate_value (ETableModel *etm, int col, const void *value)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->duplicate_value (etm, col, value, simple->data);
+ if (simple->duplicate_value)
+ return simple->duplicate_value (etm, col, value, simple->data);
+ else
+ return (void *)value;
}
static void
simple_free_value (ETableModel *etm, int col, void *value)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- simple->free_value (etm, col, value, simple->data);
+ if (simple->free_value)
+ simple->free_value (etm, col, value, simple->data);
+}
+
+static void *
+simple_initialize_value (ETableModel *etm, int col)
+{
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
+
+ if (simple->initialize_value)
+ return simple->initialize_value (etm, col, simple->data);
+ else
+ return NULL;
+}
+
+static gboolean
+simple_value_is_empty (ETableModel *etm, int col, const void *value)
+{
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
+
+ if (simple->value_is_empty)
+ return simple->value_is_empty (etm, col, value, simple->data);
+ else
+ return FALSE;
}
static void
simple_thaw (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
simple->thaw (etm, simple->data);
}
@@ -91,6 +131,8 @@ e_table_simple_class_init (GtkObjectClass *object_class)
model_class->is_cell_editable = simple_is_cell_editable;
model_class->duplicate_value = simple_duplicate_value;
model_class->free_value = simple_free_value;
+ model_class->initialize_value = simple_initialize_value;
+ model_class->value_is_empty = simple_value_is_empty;
model_class->thaw = simple_thaw;
}
@@ -125,6 +167,8 @@ e_table_simple_new (ETableSimpleColumnCountFn col_count,
ETableSimpleIsCellEditableFn is_cell_editable,
ETableSimpleDuplicateValueFn duplicate_value,
ETableSimpleFreeValueFn free_value,
+ ETableSimpleInitializeValueFn initialize_value,
+ ETableSimpleValueIsEmptyFn value_is_empty,
ETableSimpleThawFn thaw,
void *data)
{
@@ -137,9 +181,11 @@ e_table_simple_new (ETableSimpleColumnCountFn col_count,
et->value_at = value_at;
et->set_value_at = set_value_at;
et->is_cell_editable = is_cell_editable;
- et->thaw = thaw;
et->duplicate_value = duplicate_value;
et->free_value = free_value;
+ et->initialize_value = initialize_value;
+ et->value_is_empty = value_is_empty;
+ et->thaw = thaw;
et->data = data;
return (ETableModel *) et;