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-rw-r--r--widgets/table/e-tree-example-1.c453
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diff --git a/widgets/table/e-tree-example-1.c b/widgets/table/e-tree-example-1.c
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--- a/widgets/table/e-tree-example-1.c
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-/* -*- 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 <libgnomeprint/gnome-print.h>
-#include <libgnomeprint/gnome-print-preview.h>
-#include <gdk-pixbuf/gdk-pixbuf.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"
-
-#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;
-
-/*
- * ETreeSimple callbacks
- * These are the callbacks that define the behavior of our custom model.
- */
-
-/* This function returns the number of columns in our ETableModel. */
-static int
-my_col_count (ETableModel *etc, void *data)
-{
- return COLS;
-}
-
-/* This function duplicates the value passed to it. */
-static void *
-my_duplicate_value (ETableModel *etc, int col, const void *value, void *data)
-{
- return g_strdup (value);
-}
-
-/* This function frees the value passed to it. */
-static void
-my_free_value (ETableModel *etc, int col, void *value, void *data)
-{
- g_free (value);
-}
-
-/* This function creates an empty value. */
-static void *
-my_initialize_value (ETableModel *etc, int col, void *data)
-{
- return g_strdup ("");
-}
-
-/* This function reports if a value is empty. */
-static gboolean
-my_value_is_empty (ETableModel *etc, int col, const void *value, void *data)
-{
- return !(value && *(char *)value);
-}
-
-/* This function reports if a value is empty. */
-static char *
-my_value_to_string (ETableModel *etc, int col, const void *value, void *data)
-{
- return g_strdup(value);
-}
-
-/* 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;
- }
-}
-
-static GdkPixbuf *
-my_icon_at (ETreeModel *etm, ETreePath *path, void *model_data)
-{
- /* No icon, since the cell tree renderer takes care of the +/- icons itself. */
- 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_cursor_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,
- g_strdup("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_cursor_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,
- g_strdup("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_cursor_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);
-
- 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_cursor_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_cursor_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);
-}
-
-static void
-print_tree (GtkButton *button, gpointer data)
-{
- EPrintable *printable = e_table_get_printable (E_TABLE (e_table));
- GnomePrintContext *gpc;
-
- gpc = gnome_print_context_new (gnome_printer_new_generic_ps ("tree-out.ps"));
-
- e_printable_print_page (printable, gpc, 8*72, 10*72, FALSE);
-
- gnome_print_context_close (gpc);
-}
-
-static void
-save_state (GtkButton *button, gpointer data)
-{
- ETreeModel *e_tree_model = E_TREE_MODEL (data);
-
- e_tree_model_save_expanded_state (e_tree_model, "expanded_state");
-}
-
-/* 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_col_count,
- my_duplicate_value,
- my_free_value,
- my_initialize_value,
- my_value_is_empty,
- my_value_to_string,
- my_icon_at,
- my_value_at,
- my_set_value_at,
- my_is_editable,
- NULL);
-
- e_tree_model_load_expanded_state (e_tree_model, "expanded_state");
-
- /* create a root node with 5 children */
- root_node = e_tree_model_node_insert (e_tree_model, NULL,
- 0,
- g_strdup("Root Node"));
-
- e_tree_model_root_node_set_visible (e_tree_model, FALSE);
-
- for (i = 0; i < 5; i++){
- char *id = g_strdup_printf ("First level child %d", i);
- ETreePath *n = e_tree_model_node_insert_id (e_tree_model,
- root_node, 0,
- g_strdup("First level of children"),
- id);
- g_free (id);
- for (j = 0; j < 5; j ++) {
- char *id = g_strdup_printf ("Second level child %d", j);
- e_tree_model_node_insert_id (e_tree_model,
- n, 0,
- g_strdup("Second level of children"), id);
- g_free (id);
- }
- }
-
- /*
- * 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),
- NULL, NULL, /* use the default pixbufs for open/closed */
- 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_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
-
- button = gtk_button_new_with_label ("Print Tree");
- gtk_signal_connect (GTK_OBJECT (button), "clicked", print_tree, e_tree_model);
- gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
-
- button = gtk_button_new_with_label ("Save State");
- gtk_signal_connect (GTK_OBJECT (button), "clicked", save_state, 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);
-
- gtk_signal_connect (GTK_OBJECT (window), "delete-event", gtk_main_quit, NULL);
-
- /* 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);
-
- gtk_widget_push_visual (gdk_rgb_get_visual ());
- gtk_widget_push_colormap (gdk_rgb_get_cmap ());
-
- create_tree ();
-
- gtk_main ();
-
- return 0;
-}
-
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