/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* This code is GPL. */
#include <stdio.h>
#include <string.h>
#include <gnome.h>
#include "e-util/e-cursors.h"
#include "e-table-header.h"
#include "e-table-header-item.h"
#include "e-table-item.h"
#include "e-cell-text.h"
#include "e-cell-tree.h"
#include "e-cell-checkbox.h"
#include "e-table.h"
#include "e-tree-simple.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#define ROWS 10
#define COLS 4
#define IMPORTANCE_COLUMN 4
#define COLOR_COLUMN 5
/*
* Here we define the initial layout of the table. This is an xml
* format that allows you to change the initial ordering of the
* columns or to do sorting or grouping initially. This specification
* shows all 5 columns, but moves the importance column nearer to the
* front. It also sorts by the "Full Name" column (ascending.)
* Sorting and grouping take the model column as their arguments
* (sorting is specified by the "column" argument to the leaf elemnt.
*/
#define INITIAL_SPEC "<ETableSpecification> \
<columns-shown> \
<column> 0 </column> \
<column> 4 </column> \
<column> 1 </column> \
<column> 2 </column> \
<column> 3 </column> \
</columns-shown> \
<grouping></grouping> \
</ETableSpecification>"
/*
* Virtual Column list:
* 0 Subject
* 1 Full Name
* 2 Email
* 3 Date
*/
char *headers [COLS] = {
"Subject",
"Full Name",
"Email",
"Date"
};
GtkWidget *e_table;
/*
* ETableSimple callbacks
* These are the callbacks that define the behavior of our custom model.
*/
/*
* Since our model is a constant size, we can just return its size in
* the column and row count fields.
*/
/* This function returns the number of columns in our ETableModel. */
static int
my_col_count (ETableModel *etc, void *data)
{
return COLS;
}
/* This function returns the value at a particular point in our ETreeModel. */
static void *
my_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data)
{
switch (col) {
case 0: return e_tree_model_node_get_data (etm, path);
case 1: return "Chris Toshok";
case 2: return "toshok@helixcode.com";
case 3: return "Jun 07 2000";
default: return NULL;
}
}
/* This function sets the value at a particular point in our ETreeModel. */
static void
my_set_value_at (ETreeModel *etm, ETreePath *path, int col, const void *val, void *model_data)
{
if (col == 0) {
char *str = e_tree_model_node_get_data (etm, path);
g_free (str);
e_tree_model_node_set_data (etm, path, g_strdup(val));
}
}
/* This function returns whether a particular cell is editable. */
static gboolean
my_is_editable (ETreeModel *etm, ETreePath *path, int col, void *model_data)
{
if (col == 0)
return TRUE;
else
return FALSE;
}
static void
toggle_root (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = (ETreeModel*)data;
e_tree_model_root_node_set_visible (e_tree_model, !e_tree_model_root_node_is_visible (e_tree_model));
}
static void
add_sibling (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = E_TREE_MODEL (data);
int selected_row;
ETreePath *selected_node;
ETreePath *parent_node;
selected_row = e_table_get_selected_view_row (E_TABLE (e_table));
if (selected_row == -1)
return;
selected_node = e_tree_model_node_at_row (e_tree_model, selected_row);
g_assert (selected_node);
parent_node = e_tree_model_node_get_parent (e_tree_model, selected_node);
e_tree_model_node_insert_before (e_tree_model, parent_node,
selected_node, "User added sibling");
}
static void
add_child (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = E_TREE_MODEL (data);
int selected_row;
ETreePath *selected_node;
selected_row = e_table_get_selected_view_row (E_TABLE (e_table));
if (selected_row == -1)
return;
selected_node = e_tree_model_node_at_row (e_tree_model, selected_row);
g_assert (selected_node);
e_tree_model_node_insert (e_tree_model, selected_node,
0, "User added child");
}
static void
remove_node (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = E_TREE_MODEL (data);
int selected_row;
char *str;
ETreePath *selected_node;
selected_row = e_table_get_selected_view_row (E_TABLE (e_table));
if (selected_row == -1)
return;
selected_node = e_tree_model_node_at_row (e_tree_model, selected_row);
g_assert (selected_node);
if (e_tree_model_node_get_children (e_tree_model, selected_node, NULL) > 0)
return;
str = (char*)e_tree_model_node_remove (e_tree_model, selected_node);
printf ("removed node %s\n", str);
g_free (str);
}
static void
expand_all (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = E_TREE_MODEL (data);
int selected_row;
ETreePath *selected_node;
selected_row = e_table_get_selected_view_row (E_TABLE (e_table));
if (selected_row == -1)
return;
selected_node = e_tree_model_node_at_row (e_tree_model, selected_row);
g_assert (selected_node);
e_tree_model_node_set_expanded_recurse (e_tree_model, selected_node, TRUE);
}
static void
collapse_all (GtkButton *button, gpointer data)
{
ETreeModel *e_tree_model = E_TREE_MODEL (data);
int selected_row;
ETreePath *selected_node;
selected_row = e_table_get_selected_view_row (E_TABLE (e_table));
if (selected_row == -1)
return;
selected_node = e_tree_model_node_at_row (e_tree_model, selected_row);
g_assert (selected_node);
e_tree_model_node_set_expanded_recurse (e_tree_model, selected_node, FALSE);
}
/* We create a window containing our new tree. */
static void
create_tree (void)
{
GtkWidget *window, *frame, *button, *vbox;
ECell *cell_left_just;
ECell *cell_tree;
ETableHeader *e_table_header;
int i, j;
ETreeModel *e_tree_model = NULL;
ETreePath *root_node;
/* here we create our model. This uses the functions we defined
earlier. */
e_tree_model = e_tree_simple_new (my_value_at,
my_set_value_at,
my_is_editable,
NULL);
/* create a root node with 5 children */
root_node = e_tree_model_node_insert (e_tree_model, NULL,
0, g_strdup("Root Node"));
for (i = 0; i < 5; i++){
ETreePath *n = e_tree_model_node_insert (e_tree_model,
root_node, 0, g_strdup("First level of children"));
for (j = 0; j < 5; j ++) {
e_tree_model_node_insert (e_tree_model,
n, 0, g_strdup("Second level of children"));
}
}
/*
* Next we create a header. The ETableHeader is used in two
* different way. The first is the full_header. This is the
* list of possible columns in the view. The second use is
* completely internal. Many of the ETableHeader functions are
* for that purpose. The only functions we really need are
* e_table_header_new and e_table_header_add_col.
*
* First we create the header.
*/
e_table_header = e_table_header_new ();
/*
* Next we have to build renderers for all of the columns.
* Since all our columns are text columns, we can simply use
* the same renderer over and over again. If we had different
* types of columns, we could use a different renderer for
* each column.
*/
cell_left_just = e_cell_text_new (E_TABLE_MODEL(e_tree_model), NULL, GTK_JUSTIFY_LEFT);
/*
* This renderer is used for the tree column (the leftmost one), and
* has as its subcell renderer the text renderer. this means that
* text is displayed to the right of the tree pipes.
*/
cell_tree = e_cell_tree_new (E_TABLE_MODEL(e_tree_model), TRUE, cell_left_just);
/*
* Next we create a column object for each view column and add
* them to the header. We don't create a column object for
* the importance column since it will not be shown.
*/
for (i = 0; i < COLS; i++) {
/* Create the column. */
ETableCol *ecol = e_table_col_new (
i, headers [i],
80, 20,
i == 0 ? cell_tree
: cell_left_just,
g_str_compare, TRUE);
/* Add it to the header. */
e_table_header_add_column (e_table_header, ecol, i);
}
/*
* Here we create a window for our new table. This window
* will get shown and the person will be able to test their
* item.
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
/* This frame is simply to get a bevel around our table. */
vbox = gtk_vbox_new (FALSE, 0);
frame = gtk_frame_new (NULL);
/*
* Here we create the table. We give it the three pieces of
* the table we've created, the header, the model, and the
* initial layout. It does the rest.
*/
e_table = e_table_new (e_table_header, E_TABLE_MODEL(e_tree_model), INITIAL_SPEC);
if (!e_table) printf ("BAH!");
/* Build the gtk widget hierarchy. */
gtk_container_add (GTK_CONTAINER (frame), e_table);
gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
button = gtk_button_new_with_label ("Toggle Root Node");
gtk_signal_connect (GTK_OBJECT (button), "clicked", toggle_root, e_tree_model);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Add Sibling");
gtk_signal_connect (GTK_OBJECT (button), "clicked", add_sibling, e_tree_model);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Add Child");
gtk_signal_connect (GTK_OBJECT (button), "clicked", add_child, e_tree_model);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Remove Node");
gtk_signal_connect (GTK_OBJECT (button), "clicked", remove_node, e_tree_model);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Expand All Below");
gtk_signal_connect (GTK_OBJECT (button), "clicked", expand_all, e_tree_model);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_with_label ("Collapse All Below");
gtk_signal_connect (GTK_OBJECT (button), "clicked", collapse_all, e_tree_model);
gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
/* Size the initial window. */
gtk_widget_set_usize (window, 200, 200);
/* Show it all. */
gtk_widget_show_all (window);
}
/* This is the main function which just initializes gnome and call our create_tree function */
int
main (int argc, char *argv [])
{
gnome_init ("TableExample", "TableExample", argc, argv);
e_cursors_init ();
gtk_widget_push_visual (gdk_rgb_get_visual ());
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
create_tree ();
gtk_main ();
e_cursors_shutdown ();
return 0;
}
