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

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Miguel de Icaza <miguel@gnu.org>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>

#include <stdio.h>
#include <string.h>

#include <gnome.h>

#include "misc/e-cursors.h"
#include "misc/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 (void)
{
    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 (void)
{
    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);

    fprintf (stderr, "value_at[%d,%d]\n", col, row);

    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);
}

#ifdef BIT_ROT
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;
    int priority = 20;

    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,
            e_str_compare, TRUE,
            priority);

        e_table_header_add_column (e_table_header, ecol, i);
    }

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

    g_signal_connect (canvas, "size_allocate",
              G_CALLBACK (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);
}
#endif

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

#ifdef BIT_ROT
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);
}
#endif

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

    g_object_get (etable, "drawgrid", &shown, NULL);
    g_object_set (etable, "drawgrid", !shown, NULL);
}

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

    /*
     * 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);

    spec = g_string_new ("\
<ETableSpecification \
cursor-mode=\"line\" \
selection-mode=\"browse\" \
draw-focus=\"true\">");
    for (i = 0; i < cols; i++) {
        char *colspec =
            g_strdup_printf ("\
  <ETableColumn model_col=\"%d\" \
_title=\"%s\" \
minimum_width=\"20\" \
resizable=\"true\" \
cell=\"string\" \
compare=\"string\"/>\n", i, column_labels[i]);
        g_string_append (spec, colspec);
        g_free (colspec);
    }
    g_string_append (spec, "</ETableSpecification>");
    e_table = e_table_new (e_table_model, NULL, spec->str, state);

    /* This makes value_at not called just to determine row height.  */
    g_object_set (e_table,
              "uniform_row_height", 1,
              NULL);

    g_string_free (spec, TRUE);

    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    frame = gtk_frame_new (NULL);
#ifdef BIT_ROT
    g_signal_connect (e_table, "row_selection",
              G_CALLBACK(row_selection_test), NULL);
#endif

    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);

#if 0
    /*
     * gadgets
     */
    button = gtk_button_new_with_label ("Save spec");
    g_signal_connect (button, "clicked",
              G_CALLBACK (save_spec), e_table);
    gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);

    bhide = gtk_button_new_with_label ("Toggle Grid");
    g_signal_connect (bhide, "clicked",
              G_CALLBACk (toggle_grid), e_table);
    gtk_box_pack_start (GTK_BOX (vbox), bhide, FALSE, FALSE, 0);
#endif

    gtk_widget_set_size_request (window, 400, 200);
    gtk_widget_show_all (window);

#ifdef BIT_ROT
    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 ("\
<ETableState>\n\
    <column source=\"0\"/>\n\
    <column source=\"1\"/>\n\
    <column source=\"2\"/>\n\
    <column source=\"3\"/>\n\
    <column source=\"4\"/>\n\
    <grouping></grouping>\n\
</ETableState>");
#if 0
      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>");
#endif
    }
}