path: root/widgets/table/test-table.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Test code for the ETable package
 *
 * Author:
 *   Miguel de Icaza (miguel@gnu.org)
 */
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <gnome.h>
#include "gal/widgets/e-cursors.h"
#include "gal/widgets/e-canvas.h"
#include "e-table-simple.h"
#include "e-table-header.h"
#include "e-table-header-item.h"
#include "e-table-item.h"
#include "e-cell-text.h"
#include "e-table.h"
#include "e-table-config.h"

#include "table-test.h"

char buffer [1024];
char **column_labels;
char ***table_data;
int cols = 0;
int lines = 0;
int lines_alloc = 0;

static void
parse_headers ()
{
    char *p, *s;
    int in_value = 0, i;
    
    fgets (buffer, sizeof (buffer)-1, stdin);

    for (p = buffer; *p; p++){
        if (*p == ' ' || *p == '\t'){
            if (in_value){
                cols++;
                in_value = 0;
            }
        } else
            in_value = 1;
    }
    if (in_value)
        cols++;
    
    if (!cols){
        fprintf (stderr, "No columns in first row\n");
        exit (1);
    }

    column_labels = g_new0 (char *, cols);

    p = buffer;
    for (i = 0; (s = strtok (p, " \t")) != NULL; i++){
        column_labels [i] = g_strdup (s);
        if (strchr (column_labels [i], '\n'))
            *strchr (column_labels [i], '\n') = 0;
        p = NULL;
    }

    printf ("%d headers:\n", cols);
    for (i = 0; i < cols; i++){
        printf ("header %d: %s\n", i, column_labels [i]);
    }
}

static char **
load_line (char *buffer, int cols)
{
    char **line = g_new0 (char *, cols);
    char *p;
    int i;
    
    for (i = 0; i < cols; i++){
        p = strtok (buffer, " \t\n");
        if (p == NULL){
            for (; i < cols; i++)
                line [i] = g_strdup ("");
            return line;
        } else
            line [i] = g_strdup (p);
        buffer = NULL;
    }
    return line;
}

static void
append_line (char **line)
{
    if (lines <= lines_alloc){
        lines_alloc = lines + 50;
        table_data = g_renew (char **, table_data, lines_alloc);
    }
    table_data [lines] = line;
    lines++;
}

static void
load_data ()
{
    int i;

    {
        static int loaded;

        if (loaded)
            return;
        
        loaded = TRUE;
    }
    

    parse_headers ();

    while (fgets (buffer, sizeof (buffer)-1, stdin) != NULL){
        char **line;

        if (buffer [0] == '\n')
            continue;
        line = load_line (buffer, cols);
        append_line (line);
    }

    for (i = 0; i < lines; i++){
        int j;

        printf ("Line %d: ", i);
        for (j = 0; j < cols; j++)
            printf ("[%s] ", table_data [i][j]);
        printf ("\n");
    }
}

/*
 * ETableSimple callbacks
 */
static int
col_count (ETableModel *etc, void *data)
{
    return cols;
}

static int
row_count (ETableModel *etc, void *data)
{
    return lines;
}

static void
append_row (ETableModel *etm, ETableModel *model, int row, void *data)
{
  abort ();
}

static void *
value_at (ETableModel *etc, int col, int row, void *data)
{
    g_assert (col < cols);
    g_assert (row < lines);

    return (void *) table_data [row][col];
}

static void
set_value_at (ETableModel *etc, int col, int row, const void *val, void *data)
{
    g_assert (col < cols);
    g_assert (row < lines);

    g_free (table_data [row][col]);
    table_data [row][col] = g_strdup (val);

    printf ("Value at %d,%d set to %s\n", col, row, (char *) val);
}

static gboolean
is_cell_editable (ETableModel *etc, int col, int row, void *data)
{
    return TRUE;
}

static gboolean
has_save_id (ETableModel *etm, void *data)
{
  return FALSE;
}

static char *
get_save_id (ETableModel *etm, int row, void *data)
{
  abort ();
}

static void *
duplicate_value (ETableModel *etc, int col, const void *value, void *data)
{
    return g_strdup (value);
}

static void
free_value (ETableModel *etc, int col, void *value, void *data)
{
    g_free (value);
}

static void *
initialize_value (ETableModel *etc, int col, void *data)
{
    return g_strdup ("");
}

static gboolean
value_is_empty (ETableModel *etc, int col, const void *value, void *data)
{
    return !(value && *(char *)value);
}

static char *
value_to_string (ETableModel *etc, int col, const void *value, void *data)
{
    return g_strdup(value);
}

static void
set_canvas_size (GnomeCanvas *canvas, GtkAllocation *alloc)
{
    gnome_canvas_set_scroll_region (canvas, 0, 0, alloc->width, alloc->height);
}

void
table_browser_test (void)
{
    GtkWidget *canvas, *window;
    ETableModel *e_table_model;
    ETableHeader *e_table_header;
    ECell *cell_left_just;
    GnomeCanvasItem *group;
    int i;  

    load_data ();

    /*
     * Data model
     */
    e_table_model = e_table_simple_new (
        col_count, row_count, append_row,

        value_at, set_value_at, is_cell_editable,

        has_save_id, get_save_id,

        duplicate_value, free_value,
        initialize_value, value_is_empty,
        value_to_string,
        NULL);

    /*
     * Header
     */
    e_table_header = e_table_header_new ();
    cell_left_just = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
    
    for (i = 0; i < cols; i++){
        ETableCol *ecol = e_table_col_new (
            i, column_labels [i],
            1.0, 20, cell_left_just,
            g_str_compare, TRUE,
            1);

        e_table_header_add_column (e_table_header, ecol, i);
    }

    /*
     * Setup GUI
     */
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    canvas = e_canvas_new ();

    gtk_signal_connect (GTK_OBJECT (canvas), "size_allocate",
                GTK_SIGNAL_FUNC (set_canvas_size), NULL);
    
    gtk_container_add (GTK_CONTAINER (window), canvas);
    gtk_widget_show_all (window);
    gnome_canvas_item_new (
        gnome_canvas_root (GNOME_CANVAS (canvas)),
        e_table_header_item_get_type (),
        "ETableHeader", e_table_header,
        NULL);

    group = gnome_canvas_item_new (
        gnome_canvas_root (GNOME_CANVAS (canvas)),
        gnome_canvas_group_get_type (),
        "x", 30.0,
        "y", 30.0,
        NULL);
    
    gnome_canvas_item_new (
        GNOME_CANVAS_GROUP (group),
        e_table_item_get_type (),
        "ETableHeader", e_table_header,
        "ETableModel", e_table_model,
        "drawgrid", TRUE,
        "drawfocus", TRUE,
#if 0
        "spreadsheet", TRUE,
#endif
        NULL);
}

static void
save_spec (GtkWidget *button, ETable *e_table)
{
#if 0
    e_table_save_specification (e_table, "e-table-test.xml");
#endif
}

static void
row_selection_test (ETable *table, int row, gboolean selected)
{
    if (selected)
        g_print ("Row %d selected\n", row);
    else
        g_print ("Row %d unselected\n", row);
}

static void
toggle_grid (void *nothing, ETable *etable)
{
    static gboolean shown;

    gtk_object_get (GTK_OBJECT (etable), "drawgrid", &shown, NULL);
    gtk_object_set (GTK_OBJECT (etable), "drawgrid", !shown, NULL);
}

static void
do_e_table_demo (const char *spec)
{
    GtkWidget *e_table, *window, *frame, *vbox, *button, *bhide;
    ECell *cell_left_just;
    ETableHeader *full_header;
    int i;
    ETableExtras *extras = NULL;
    char *state = NULL;

    /*
     * Data model
     */
    static ETableModel *e_table_model = NULL;

    if (e_table_model == NULL)
        e_table_model = 
            e_table_simple_new (col_count, row_count, append_row,
                        value_at, set_value_at, is_cell_editable,
                        has_save_id, get_save_id,
                        duplicate_value, free_value,
                        initialize_value, value_is_empty,
                        value_to_string,
                        NULL);

    full_header = e_table_header_new ();
    cell_left_just = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);

    for (i = 0; i < cols; i++){
        ETableCol *ecol = e_table_col_new (
            i, column_labels [i],
            1.0, 20, cell_left_just,
            g_str_compare, TRUE,
            1);

        e_table_header_add_column (full_header, ecol, i);
    }
    
    state = "<ETableState>
    <column source=\"0\"/>
    <column source=\"3\"/>
    <column source=\"1\"/>
    <column source=\"2\"/>
    <grouping>
      <group column=\"2\" ascending=\"true\">
    <leaf column=\"1\" ascending=\"true\"/>
      </group>
    </grouping>
    <!-- Column that's been added by hand.  Not implemented yet.
  <ETableColumn model_col=\"custom-string\" _title=\"Custom\" expansion=\"1.0\" minimum_widgth=\"20\" resizable=\"true\" cell=\"string\" compare=\"string\"/> -->
</ETableState>";
    
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    frame = gtk_frame_new (NULL);
    e_table = e_table_new (e_table_model, extras, spec, state);
    gtk_signal_connect (GTK_OBJECT(e_table), "row_selection",
               GTK_SIGNAL_FUNC(row_selection_test), NULL);

    vbox = gtk_vbox_new (FALSE, 0);
    gtk_box_pack_start (GTK_BOX (vbox), e_table, TRUE, TRUE, 0);
    gtk_container_add (GTK_CONTAINER (frame), vbox);
    gtk_container_add (GTK_CONTAINER (window), frame);

    /*
     * gadgets
     */
    button = gtk_button_new_with_label ("Save spec");
    gtk_signal_connect (GTK_OBJECT (button), "clicked",
                GTK_SIGNAL_FUNC (save_spec), e_table);
    gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);

    bhide = gtk_button_new_with_label ("Toggle Grid");
    gtk_signal_connect (GTK_OBJECT (bhide), "clicked",
                GTK_SIGNAL_FUNC (toggle_grid), e_table);
    gtk_box_pack_start (GTK_BOX (vbox), bhide, FALSE, FALSE, 0);

    gtk_widget_set_usize (window, 200, 200);
    gtk_widget_show_all (window);

#if 0
    if (getenv ("TEST")){
        e_table_do_gui_config (NULL, E_TABLE(e_table));
    }
#endif
}

void
e_table_test (void)
{
    load_data ();

    if (1){/*getenv ("DO")){*/
      do_e_table_demo ("<ETableSpecification> <columns-shown> <column> 0 </column> <column> 1 </column> <column> 2 </column> <column> 3 </column> <column> 4 </column> </columns-shown> <grouping> <leaf column=\"3\" ascending=\"true\"/> </grouping> </ETableSpecification>");
      do_e_table_demo ("<ETableSpecification> <columns-shown> <column> 0 </column> <column> 0 </column> <column> 1 </column> <column> 2 </column> <column> 3 </column> <column> 4 </column> </columns-shown> <grouping> <group column=\"3\" ascending=\"true\"> <group column=\"4\" ascending=\"false\"> <leaf column=\"2\" ascending=\"true\"/> </group> </group> </grouping> </ETableSpecification>");
    }
      do_e_table_demo ("<ETableSpecification> <columns-shown> <column> 0 </column> <column> 1 </column> <column> 2 </column> <column> 3 </column> <column> 4 </column> </columns-shown> <grouping> <group column=\"4\" ascending=\"true\"> <leaf column=\"2\" ascending=\"true\"/> </group> </grouping> </ETableSpecification>");
      do_e_table_demo ("<ETableSpecification> <columns-shown> <column> 0 </column> <column> 1 </column> <column> 2 </column> <column> 3 </column> <column> 4 </column> </columns-shown> <grouping> <group column=\"3\" ascending=\"true\"> <leaf column=\"2\" ascending=\"true\"/> </group> </grouping> </ETableSpecification>");
}