path: root/e-util/e-table-group-container.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:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-table-group-container.h"

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>
#include <libgnomecanvas/libgnomecanvas.h>

#include "e-canvas-utils.h"
#include "e-canvas.h"
#include "e-table-defines.h"
#include "e-table-group-leaf.h"
#include "e-table-item.h"
#include "e-table-sorting-utils.h"
#include "e-text.h"
#include "e-unicode.h"

#define TITLE_HEIGHT         16

G_DEFINE_TYPE (
    ETableGroupContainer,
    e_table_group_container,
    E_TYPE_TABLE_GROUP)

enum {
    PROP_0,
    PROP_HEIGHT,
    PROP_WIDTH,
    PROP_MINIMUM_WIDTH,
    PROP_FROZEN,
    PROP_TABLE_ALTERNATING_ROW_COLORS,
    PROP_TABLE_HORIZONTAL_DRAW_GRID,
    PROP_TABLE_VERTICAL_DRAW_GRID,
    PROP_TABLE_DRAW_FOCUS,
    PROP_CURSOR_MODE,
    PROP_SELECTION_MODEL,
    PROP_LENGTH_THRESHOLD,
    PROP_UNIFORM_ROW_HEIGHT,
    PROP_IS_EDITING
};

static EPrintable *
etgc_get_printable (ETableGroup *etg);

static void
e_table_group_container_child_node_free (ETableGroupContainer *etgc,
                                         ETableGroupContainerChildNode *child_node)
{
    ETableGroup *etg = E_TABLE_GROUP (etgc);
    ETableGroup *child = child_node->child;

    g_object_run_dispose (G_OBJECT (child));
    e_table_model_free_value (
        etg->model, etgc->ecol->col_idx,
        child_node->key);
    g_free (child_node->string);
    g_object_run_dispose (G_OBJECT (child_node->text));
    g_object_run_dispose (G_OBJECT (child_node->rect));
}

static void
e_table_group_container_list_free (ETableGroupContainer *etgc)
{
    ETableGroupContainerChildNode *child_node;
    GList *list;

    for (list = etgc->children; list; list = g_list_next (list)) {
        child_node = (ETableGroupContainerChildNode *) list->data;
        e_table_group_container_child_node_free (etgc, child_node);
    }

    g_list_free (etgc->children);
    etgc->children = NULL;
}

static void
etgc_dispose (GObject *object)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object);

    if (etgc->children)
        e_table_group_container_list_free (etgc);

    if (etgc->font_desc)
        pango_font_description_free (etgc->font_desc);
    etgc->font_desc = NULL;

    if (etgc->ecol)
        g_object_unref (etgc->ecol);
    etgc->ecol = NULL;

    if (etgc->sort_info)
        g_object_unref (etgc->sort_info);
    etgc->sort_info = NULL;

    if (etgc->selection_model)
        g_object_unref (etgc->selection_model);
    etgc->selection_model = NULL;

    if (etgc->rect)
        g_object_run_dispose (G_OBJECT (etgc->rect));
    etgc->rect = NULL;

    G_OBJECT_CLASS (e_table_group_container_parent_class)->dispose (object);
}

/**
 * e_table_group_container_construct
 * @parent: The %GnomeCanvasGroup to create a child of.
 * @etgc: The %ETableGroupContainer.
 * @full_header: The full header of the %ETable.
 * @header: The current header of the %ETable.
 * @model: The %ETableModel of the %ETable.
 * @sort_info: The %ETableSortInfo of the %ETable.
 * @n: Which grouping level this is (Starts at 0 and sends n + 1 to any child %ETableGroups.
 *
 * This routine constructs the new %ETableGroupContainer.
 */
void
e_table_group_container_construct (GnomeCanvasGroup *parent,
                                   ETableGroupContainer *etgc,
                                   ETableHeader *full_header,
                                   ETableHeader *header,
                                   ETableModel *model,
                                   ETableSortInfo *sort_info,
                                   gint n)
{
    ETableCol *col;
    ETableSortColumn column = e_table_sort_info_grouping_get_nth (sort_info, n);
    GtkWidget *widget;
    GtkStyle *style;

    col = e_table_header_get_column_by_col_idx (full_header, column.column);
    if (col == NULL) {
        gint last = e_table_header_count (full_header) - 1;
        col = e_table_header_get_column (full_header, last);
    }

    e_table_group_construct (
        parent, E_TABLE_GROUP (etgc), full_header, header, model);
    etgc->ecol = g_object_ref (col);
    etgc->sort_info = g_object_ref (sort_info);
    etgc->n = n;
    etgc->ascending = column.ascending;

    widget = GTK_WIDGET (GNOME_CANVAS_ITEM (etgc)->canvas);
    style = gtk_widget_get_style (widget);
    etgc->font_desc = pango_font_description_copy (style->font_desc);

    etgc->open = TRUE;
}

/**
 * e_table_group_container_new
 * @parent: The %GnomeCanvasGroup to create a child of.
 * @full_header: The full header of the %ETable.
 * @header: The current header of the %ETable.
 * @model: The %ETableModel of the %ETable.
 * @sort_info: The %ETableSortInfo of the %ETable.
 * @n: Which grouping level this is (Starts at 0 and sends n + 1 to any child %ETableGroups.
 *
 * %ETableGroupContainer is an %ETableGroup which groups by the nth
 * grouping of the %ETableSortInfo.  It creates %ETableGroups as
 * children.
 *
 * Returns: The new %ETableGroupContainer.
 */
ETableGroup *
e_table_group_container_new (GnomeCanvasGroup *parent,
                             ETableHeader *full_header,
                             ETableHeader *header,
                             ETableModel *model,
                             ETableSortInfo *sort_info,
                             gint n)
{
    ETableGroupContainer *etgc;

    g_return_val_if_fail (parent != NULL, NULL);

    etgc = g_object_new (E_TYPE_TABLE_GROUP_CONTAINER, NULL);

    e_table_group_container_construct (
        parent, etgc, full_header, header,
        model, sort_info, n);
    return E_TABLE_GROUP (etgc);
}

static gint
etgc_event (GnomeCanvasItem *item,
            GdkEvent *event)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (item);
    gboolean return_val = TRUE;
    gboolean change_focus = FALSE;
    gboolean use_col = FALSE;
    gint start_col = 0;
    gint old_col;
    EFocus direction = E_FOCUS_START;

    switch (event->type) {
    case GDK_KEY_PRESS:
        if (event->key.keyval == GDK_KEY_Tab ||
            event->key.keyval == GDK_KEY_KP_Tab ||
            event->key.keyval == GDK_KEY_ISO_Left_Tab) {
            change_focus = TRUE;
            use_col      = TRUE;
            start_col    = (event->key.state & GDK_SHIFT_MASK) ? -1 : 0;
            direction    = (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START;
        } else if (event->key.keyval == GDK_KEY_Left ||
               event->key.keyval == GDK_KEY_KP_Left) {
            change_focus = TRUE;
            use_col      = TRUE;
            start_col    = -1;
            direction    = E_FOCUS_END;
        } else if (event->key.keyval == GDK_KEY_Right ||
               event->key.keyval == GDK_KEY_KP_Right) {
            change_focus = TRUE;
            use_col   = TRUE;
            start_col = 0;
            direction = E_FOCUS_START;
        } else if (event->key.keyval == GDK_KEY_Down ||
               event->key.keyval == GDK_KEY_KP_Down) {
            change_focus = TRUE;
            use_col      = FALSE;
            direction    = E_FOCUS_START;
        } else if (event->key.keyval == GDK_KEY_Up ||
               event->key.keyval == GDK_KEY_KP_Up) {
            change_focus = TRUE;
            use_col      = FALSE;
            direction    = E_FOCUS_END;
        } else if (event->key.keyval == GDK_KEY_Return ||
               event->key.keyval == GDK_KEY_KP_Enter) {
            change_focus = TRUE;
            use_col      = FALSE;
            direction    = E_FOCUS_START;
        }
        if (change_focus) {
            GList *list;
            for (list = etgc->children; list; list = list->next) {
                ETableGroupContainerChildNode *child_node;
                ETableGroup                   *child;

                child_node = (ETableGroupContainerChildNode *) list->data;
                child      = child_node->child;

                if (e_table_group_get_focus (child)) {
                    old_col = e_table_group_get_focus_column (child);
                    if (old_col == -1)
                        old_col = 0;
                    if (start_col == -1)
                        start_col = e_table_header_count (e_table_group_get_header (child)) - 1;

                    if (direction == E_FOCUS_END)
                        list = list->prev;
                    else
                        list = list->next;

                    if (list) {
                        child_node = (ETableGroupContainerChildNode *) list->data;
                        child = child_node->child;
                        if (use_col)
                            e_table_group_set_focus (child, direction, start_col);
                        else
                            e_table_group_set_focus (child, direction, old_col);
                        return 1;
                    } else {
                        return 0;
                    }
                }
            }
            if (direction == E_FOCUS_END)
                list = g_list_last (etgc->children);
            else
                list = etgc->children;
            if (list) {
                ETableGroupContainerChildNode *child_node;
                ETableGroup                   *child;

                child_node = (ETableGroupContainerChildNode *) list->data;
                child = child_node->child;

                if (start_col == -1)
                    start_col = e_table_header_count (e_table_group_get_header (child)) - 1;

                e_table_group_set_focus (child, direction, start_col);
                return 1;
            }
        }
        return_val = FALSE;
        break;
    default:
        return_val = FALSE;
        break;
    }
    if (return_val == FALSE) {
        if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->event)
            return GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->event (item, event);
    }
    return return_val;

}

/* Realize handler for the text item */
static void
etgc_realize (GnomeCanvasItem *item)
{
    ETableGroupContainer *etgc;

    if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->realize)
        (* GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->realize) (item);

    etgc = E_TABLE_GROUP_CONTAINER (item);

    e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
}

/* Unrealize handler for the etgc item */
static void
etgc_unrealize (GnomeCanvasItem *item)
{
    if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->unrealize)
        (* GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->unrealize) (item);
}

static void
compute_text (ETableGroupContainer *etgc,
              ETableGroupContainerChildNode *child_node)
{
    gchar *text;

    if (etgc->ecol->text) {
        /* Translators: This text is used as a special row when an ETable
         * has turned on grouping on a column, which has set a title.
         * The first %s is replaced with a column title.
         * The second %s is replaced with an actual  group value.
         * Finally the %d is replaced with count of items in this group.
         * Example: "Family name: Smith (13 items)"
        */
        text = g_strdup_printf (
            ngettext (
                "%s: %s (%d item)",
                "%s: %s (%d items)",
                child_node->count),
            etgc->ecol->text, child_node->string,
            (gint) child_node->count);
    } else {
        /* Translators: This text is used as a special row when an ETable
         * has turned on grouping on a column, which doesn't have set a title.
         * The %s is replaced with an actual group value.
         * The %d is replaced with count of items in this group.
         * Example: "Smith (13 items)"
        */
        text = g_strdup_printf (
            ngettext (
                "%s (%d item)",
                "%s (%d items)",
                child_node->count),
            child_node->string,
            (gint) child_node->count);
    }
    gnome_canvas_item_set (
        child_node->text,
        "text", text,
        NULL);
    g_free (text);
}

static void
child_cursor_change (ETableGroup *etg,
                     gint row,
                     ETableGroupContainer *etgc)
{
    e_table_group_cursor_change (E_TABLE_GROUP (etgc), row);
}

static void
child_cursor_activated (ETableGroup *etg,
                        gint row,
                        ETableGroupContainer *etgc)
{
    e_table_group_cursor_activated (E_TABLE_GROUP (etgc), row);
}

static void
child_double_click (ETableGroup *etg,
                    gint row,
                    gint col,
                    GdkEvent *event,
                    ETableGroupContainer *etgc)
{
    e_table_group_double_click (E_TABLE_GROUP (etgc), row, col, event);
}

static gboolean
child_right_click (ETableGroup *etg,
                   gint row,
                   gint col,
                   GdkEvent *event,
                   ETableGroupContainer *etgc)
{
    return e_table_group_right_click (E_TABLE_GROUP (etgc), row, col, event);
}

static gboolean
child_click (ETableGroup *etg,
             gint row,
             gint col,
             GdkEvent *event,
             ETableGroupContainer *etgc)
{
    return e_table_group_click (E_TABLE_GROUP (etgc), row, col, event);
}

static gboolean
child_key_press (ETableGroup *etg,
                 gint row,
                 gint col,
                 GdkEvent *event,
                 ETableGroupContainer *etgc)
{
    return e_table_group_key_press (E_TABLE_GROUP (etgc), row, col, event);
}

static gboolean
child_start_drag (ETableGroup *etg,
                  gint row,
                  gint col,
                  GdkEvent *event,
                  ETableGroupContainer *etgc)
{
    return e_table_group_start_drag (E_TABLE_GROUP (etgc), row, col, event);
}

static ETableGroupContainerChildNode *
create_child_node (ETableGroupContainer *etgc,
                   gpointer val)
{
    ETableGroup *child;
    ETableGroupContainerChildNode *child_node;
    ETableGroup *etg = E_TABLE_GROUP (etgc);

    child_node = g_new (ETableGroupContainerChildNode, 1);
    child_node->rect = gnome_canvas_item_new (
        GNOME_CANVAS_GROUP (etgc),
        gnome_canvas_rect_get_type (),
        "fill_color", "grey70",
        "outline_color", "grey50",
        NULL);
    child_node->text = gnome_canvas_item_new (
        GNOME_CANVAS_GROUP (etgc),
        e_text_get_type (),
        "fill_color", "black",
        NULL);
    child = e_table_group_new (
        GNOME_CANVAS_GROUP (etgc), etg->full_header,
        etg->header, etg->model, etgc->sort_info, etgc->n + 1);
    gnome_canvas_item_set (
        GNOME_CANVAS_ITEM (child),
        "alternating_row_colors", etgc->alternating_row_colors,
        "horizontal_draw_grid", etgc->horizontal_draw_grid,
        "vertical_draw_grid", etgc->vertical_draw_grid,
        "drawfocus", etgc->draw_focus,
        "cursor_mode", etgc->cursor_mode,
        "selection_model", etgc->selection_model,
        "length_threshold", etgc->length_threshold,
        "uniform_row_height", etgc->uniform_row_height,
        "minimum_width", etgc->minimum_width - GROUP_INDENT,
        NULL);

    g_signal_connect (
        child, "cursor_change",
        G_CALLBACK (child_cursor_change), etgc);
    g_signal_connect (
        child, "cursor_activated",
        G_CALLBACK (child_cursor_activated), etgc);
    g_signal_connect (
        child, "double_click",
        G_CALLBACK (child_double_click), etgc);
    g_signal_connect (
        child, "right_click",
        G_CALLBACK (child_right_click), etgc);
    g_signal_connect (
        child, "click",
        G_CALLBACK (child_click), etgc);
    g_signal_connect (
        child, "key_press",
        G_CALLBACK (child_key_press), etgc);
    g_signal_connect (
        child, "start_drag",
        G_CALLBACK (child_start_drag), etgc);
    child_node->child = child;
    child_node->key = e_table_model_duplicate_value (
        etg->model, etgc->ecol->col_idx, val);
    child_node->string = e_table_model_value_to_string (
        etg->model, etgc->ecol->col_idx, val);
    child_node->count = 0;

    return child_node;
}

static void
etgc_add (ETableGroup *etg,
          gint row)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    GCompareDataFunc comp = etgc->ecol->compare;
    gpointer cmp_cache = e_table_sorting_utils_create_cmp_cache ();
    GList *list = etgc->children;
    ETableGroup *child;
    ETableGroupContainerChildNode *child_node;
    gpointer val;
    gint i = 0;

    val = e_table_model_value_at (etg->model, etgc->ecol->col_idx, row);

    for (; list; list = g_list_next (list), i++) {
        gint comp_val;

        child_node = list->data;
        comp_val = (*comp)(child_node->key, val, cmp_cache);
        if (comp_val == 0) {
            e_table_sorting_utils_free_cmp_cache (cmp_cache);
            child = child_node->child;
            child_node->count++;
            e_table_group_add (child, row);
            compute_text (etgc, child_node);
            return;
        }
        if ((comp_val > 0 && etgc->ascending) ||
            (comp_val < 0 && (!etgc->ascending)))
            break;
    }
    e_table_sorting_utils_free_cmp_cache (cmp_cache);
    child_node = create_child_node (etgc, val);
    child = child_node->child;
    child_node->count = 1;
    e_table_group_add (child, row);

    if (list)
        etgc->children = g_list_insert (etgc->children, child_node, i);
    else
        etgc->children = g_list_append (etgc->children, child_node);

    compute_text (etgc, child_node);
    e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
}

static void
etgc_add_array (ETableGroup *etg,
                const gint *array,
                gint count)
{
    gint i;
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    gpointer lastval = NULL;
    gint laststart = 0;
    GCompareDataFunc comp = etgc->ecol->compare;
    gpointer cmp_cache;
    ETableGroupContainerChildNode *child_node;
    ETableGroup *child;

    if (count <= 0)
        return;

    e_table_group_container_list_free (etgc);
    etgc->children = NULL;
    cmp_cache = e_table_sorting_utils_create_cmp_cache ();

    lastval = e_table_model_value_at (
        etg->model, etgc->ecol->col_idx, array[0]);

    for (i = 1; i < count; i++) {
        gpointer val;
        gint comp_val;

        val = e_table_model_value_at (
            etg->model, etgc->ecol->col_idx, array[i]);

        comp_val = (*comp)(lastval, val, cmp_cache);
        if (comp_val != 0) {
            child_node = create_child_node (etgc, lastval);
            child = child_node->child;

            e_table_group_add_array (child, array + laststart, i - laststart);
            child_node->count = i - laststart;

            etgc->children = g_list_append (etgc->children, child_node);
            compute_text (etgc, child_node);
            laststart = i;
            lastval = val;
        }
    }

    e_table_sorting_utils_free_cmp_cache (cmp_cache);

    child_node = create_child_node (etgc, lastval);
    child = child_node->child;

    e_table_group_add_array (child, array + laststart, i - laststart);
    child_node->count = i - laststart;

    etgc->children = g_list_append (etgc->children, child_node);
    compute_text (etgc, child_node);

    e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
}

static void
etgc_add_all (ETableGroup *etg)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    ESorter *sorter = etgc->selection_model->sorter;
    gint *array;
    gint count;

    e_sorter_get_sorted_to_model_array (sorter, &array, &count);

    etgc_add_array (etg, array, count);
}

static gboolean
etgc_remove (ETableGroup *etg,
             gint row)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    GList *list;

    for (list = etgc->children; list; list = g_list_next (list)) {
        ETableGroupContainerChildNode *child_node = list->data;
        ETableGroup                   *child = child_node->child;

        if (e_table_group_remove (child, row)) {
            child_node->count--;
            if (child_node->count == 0) {
                e_table_group_container_child_node_free (etgc, child_node);
                etgc->children = g_list_remove (etgc->children, child_node);
                g_free (child_node);
            } else
                compute_text (etgc, child_node);

            e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));

            return TRUE;
        }
    }
    return FALSE;
}

static gint
etgc_row_count (ETableGroup *etg)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    GList *list;
    gint count = 0;
    for (list = etgc->children; list; list = g_list_next (list)) {
        ETableGroup *group = ((ETableGroupContainerChildNode *) list->data)->child;
        gint this_count = e_table_group_row_count (group);
        count += this_count;
    }
    return count;
}

static void
etgc_increment (ETableGroup *etg,
                gint position,
                gint amount)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    GList *list;

    for (list = etgc->children; list; list = g_list_next (list))
        e_table_group_increment (
            ((ETableGroupContainerChildNode *) list->data)->child,
            position, amount);
}

static void
etgc_decrement (ETableGroup *etg,
                gint position,
                gint amount)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    GList *list;

    for (list = etgc->children; list; list = g_list_next (list))
        e_table_group_decrement (
            ((ETableGroupContainerChildNode *) list->data)->child,
            position, amount);
}

static void
etgc_set_focus (ETableGroup *etg,
                EFocus direction,
                gint view_col)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    if (etgc->children) {
        if (direction == E_FOCUS_END)
            e_table_group_set_focus (
                ((ETableGroupContainerChildNode *) g_list_last (etgc->children)->data)->child,
                direction, view_col);
        else
            e_table_group_set_focus (
                ((ETableGroupContainerChildNode *) etgc->children->data)->child,
                direction, view_col);
    }
}

static gint
etgc_get_focus_column (ETableGroup *etg)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    if (etgc->children) {
        GList *list;
        for (list = etgc->children; list; list = list->next) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            ETableGroup *child = child_node->child;
            if (e_table_group_get_focus (child)) {
                return e_table_group_get_focus_column (child);
            }
        }
    }
    return 0;
}

static void
etgc_compute_location (ETableGroup *etg,
                       gint *x,
                       gint *y,
                       gint *prow,
                       gint *pcol)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    gint row = -1, col = -1;

    *x -= GROUP_INDENT;
    *y -= TITLE_HEIGHT;

    if (*x >= 0 && *y >= 0 && etgc->children) {
        GList *list;
        for (list = etgc->children; list; list = list->next) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            ETableGroup *child = child_node->child;

            e_table_group_compute_location (child, x, y, &row, &col);
            if (row != -1 && col != -1)
                break;
        }
    }

    if (prow)
        *prow = row;
    if (pcol)
        *pcol = col;
}

static void
etgc_get_mouse_over (ETableGroup *etg,
                     gint *row,
                     gint *col)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);

    if (row)
        *row = -1;
    if (col)
        *col = -1;

    if (etgc->children) {
        gint row_plus = 0;
        GList *list;

        for (list = etgc->children; list; list = list->next) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            ETableGroup *child = child_node->child;

            e_table_group_get_mouse_over (child, row, col);

            if ((!row || *row != -1) && (!col || *col != -1)) {
                if (row)
                    *row += row_plus;
                return;
            }

            row_plus += e_table_group_row_count (child);
        }
    }
}

static void
etgc_get_cell_geometry (ETableGroup *etg,
                        gint *row,
                        gint *col,
                        gint *x,
                        gint *y,
                        gint *width,
                        gint *height)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);

    gint ypos;

    ypos = 0;

    if (etgc->children) {
        GList *list;
        for (list = etgc->children; list; list = list->next) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            ETableGroup *child = child_node->child;
            gint thisy;

            e_table_group_get_cell_geometry (child, row, col, x, &thisy, width, height);
            ypos += thisy;
            if ((*row == -1) || (*col == -1)) {
                ypos += TITLE_HEIGHT;
                *x += GROUP_INDENT;
                *y = ypos;
                return;
            }
        }
    }
}

static void etgc_thaw (ETableGroup *etg)
{
    e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etg));
}

static void
etgc_set_property (GObject *object,
                   guint property_id,
                   const GValue *value,
                   GParamSpec *pspec)
{
    ETableGroup *etg = E_TABLE_GROUP (object);
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object);
    GList *list;

    switch (property_id) {
    case PROP_FROZEN:
        if (g_value_get_boolean (value))
            etg->frozen = TRUE;
        else {
            etg->frozen = FALSE;
            etgc_thaw (etg);
        }
        break;
    case PROP_MINIMUM_WIDTH:
    case PROP_WIDTH:
        etgc->minimum_width = g_value_get_double (value);

        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "minimum_width", etgc->minimum_width - GROUP_INDENT,
                NULL);
        }
        break;
    case PROP_LENGTH_THRESHOLD:
        etgc->length_threshold = g_value_get_int (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "length_threshold", etgc->length_threshold,
                NULL);
        }
        break;
    case PROP_UNIFORM_ROW_HEIGHT:
        etgc->uniform_row_height = g_value_get_boolean (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "uniform_row_height", etgc->uniform_row_height,
                NULL);
        }
        break;

    case PROP_SELECTION_MODEL:
        if (etgc->selection_model)
            g_object_unref (etgc->selection_model);
        etgc->selection_model = E_SELECTION_MODEL (g_value_get_object (value));
        if (etgc->selection_model)
            g_object_ref (etgc->selection_model);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "selection_model", etgc->selection_model,
                NULL);
        }
        break;

    case PROP_TABLE_ALTERNATING_ROW_COLORS:
        etgc->alternating_row_colors = g_value_get_boolean (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "alternating_row_colors", etgc->alternating_row_colors,
                NULL);
        }
        break;

    case PROP_TABLE_HORIZONTAL_DRAW_GRID:
        etgc->horizontal_draw_grid = g_value_get_boolean (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "horizontal_draw_grid", etgc->horizontal_draw_grid,
                NULL);
        }
        break;

    case PROP_TABLE_VERTICAL_DRAW_GRID:
        etgc->vertical_draw_grid = g_value_get_boolean (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "vertical_draw_grid", etgc->vertical_draw_grid,
                NULL);
        }
        break;

    case PROP_TABLE_DRAW_FOCUS:
        etgc->draw_focus = g_value_get_boolean (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "drawfocus", etgc->draw_focus,
                NULL);
        }
        break;

    case PROP_CURSOR_MODE:
        etgc->cursor_mode = g_value_get_int (value);
        for (list = etgc->children; list; list = g_list_next (list)) {
            ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
            g_object_set (
                child_node->child,
                "cursor_mode", etgc->cursor_mode,
                NULL);
        }
        break;
    default:
        break;
    }
}

static void
etgc_get_property (GObject *object,
                   guint property_id,
                   GValue *value,
                   GParamSpec *pspec)
{
    ETableGroup *etg = E_TABLE_GROUP (object);
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object);

    switch (property_id) {
    case PROP_FROZEN:
        g_value_set_boolean (value, etg->frozen);
        break;
    case PROP_HEIGHT:
        g_value_set_double (value, etgc->height);
        break;
    case PROP_WIDTH:
        g_value_set_double (value, etgc->width);
        break;
    case PROP_MINIMUM_WIDTH:
        g_value_set_double (value, etgc->minimum_width);
        break;
    case PROP_UNIFORM_ROW_HEIGHT:
        g_value_set_boolean (value, etgc->uniform_row_height);
        break;
    case PROP_IS_EDITING:
        g_value_set_boolean (value, e_table_group_container_is_editing (etgc));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
        break;
    }
}

static void
e_table_group_container_class_init (ETableGroupContainerClass *class)
{
    GnomeCanvasItemClass *item_class = GNOME_CANVAS_ITEM_CLASS (class);
    GObjectClass *object_class = G_OBJECT_CLASS (class);
    ETableGroupClass *e_group_class = E_TABLE_GROUP_CLASS (class);

    object_class->dispose = etgc_dispose;
    object_class->set_property = etgc_set_property;
    object_class->get_property = etgc_get_property;

    item_class->event = etgc_event;
    item_class->realize = etgc_realize;
    item_class->unrealize = etgc_unrealize;

    e_group_class->add = etgc_add;
    e_group_class->add_array = etgc_add_array;
    e_group_class->add_all = etgc_add_all;
    e_group_class->remove = etgc_remove;
    e_group_class->increment  = etgc_increment;
    e_group_class->decrement  = etgc_decrement;
    e_group_class->row_count  = etgc_row_count;
    e_group_class->set_focus  = etgc_set_focus;
    e_group_class->get_focus_column = etgc_get_focus_column;
    e_group_class->get_printable = etgc_get_printable;
    e_group_class->compute_location = etgc_compute_location;
    e_group_class->get_mouse_over = etgc_get_mouse_over;
    e_group_class->get_cell_geometry = etgc_get_cell_geometry;

    g_object_class_install_property (
        object_class,
        PROP_TABLE_ALTERNATING_ROW_COLORS,
        g_param_spec_boolean (
            "alternating_row_colors",
            "Alternating Row Colors",
            "Alternating Row Colors",
            FALSE,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_TABLE_HORIZONTAL_DRAW_GRID,
        g_param_spec_boolean (
            "horizontal_draw_grid",
            "Horizontal Draw Grid",
            "Horizontal Draw Grid",
            FALSE,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_TABLE_VERTICAL_DRAW_GRID,
        g_param_spec_boolean (
            "vertical_draw_grid",
            "Vertical Draw Grid",
            "Vertical Draw Grid",
            FALSE,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_TABLE_DRAW_FOCUS,
        g_param_spec_boolean (
            "drawfocus",
            "Draw focus",
            "Draw focus",
            FALSE,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_CURSOR_MODE,
        g_param_spec_int (
            "cursor_mode",
            "Cursor mode",
            "Cursor mode",
            E_CURSOR_LINE,
            E_CURSOR_SPREADSHEET,
            E_CURSOR_LINE,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_SELECTION_MODEL,
        g_param_spec_object (
            "selection_model",
            "Selection model",
            "Selection model",
            E_TYPE_SELECTION_MODEL,
            G_PARAM_WRITABLE));

    g_object_class_install_property (
        object_class,
        PROP_LENGTH_THRESHOLD,
        g_param_spec_int (
            "length_threshold",
            "Length Threshold",
            "Length Threshold",
            -1, G_MAXINT, 0,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_UNIFORM_ROW_HEIGHT,
        g_param_spec_boolean (
            "uniform_row_height",
            "Uniform row height",
            "Uniform row height",
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_FROZEN,
        g_param_spec_boolean (
            "frozen",
            "Frozen",
            "Frozen",
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_HEIGHT,
        g_param_spec_double (
            "height",
            "Height",
            "Height",
            0.0, G_MAXDOUBLE, 0.0,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_WIDTH,
        g_param_spec_double (
            "width",
            "Width",
            "Width",
            0.0, G_MAXDOUBLE, 0.0,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MINIMUM_WIDTH,
        g_param_spec_double (
            "minimum_width",
            "Minimum width",
            "Minimum Width",
            0.0, G_MAXDOUBLE, 0.0,
            G_PARAM_READWRITE));

    g_object_class_override_property (
        object_class,
        PROP_IS_EDITING,
        "is-editing");
}

static void
etgc_reflow (GnomeCanvasItem *item,
             gint flags)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (item);
    gboolean frozen;

    g_object_get (
        etgc,
        "frozen", &frozen,
        NULL);

    if (frozen)
        return;

    if (item->flags & GNOME_CANVAS_ITEM_REALIZED) {
        gdouble running_height = 0;
        gdouble running_width = 0;
        gdouble old_height;
        gdouble old_width;

        old_height = etgc->height;
        old_width = etgc->width;
        if (etgc->children == NULL) {
        } else {
            GList *list;
            gdouble extra_height = 0;
            gdouble item_height = 0;
            gdouble item_width = 0;

            if (etgc->font_desc) {
                PangoContext *context;
                PangoFontMetrics *metrics;

                context = gtk_widget_get_pango_context (GTK_WIDGET (item->canvas));
                metrics = pango_context_get_metrics (context, etgc->font_desc, NULL);
                extra_height +=
                    PANGO_PIXELS (pango_font_metrics_get_ascent (metrics)) +
                    PANGO_PIXELS (pango_font_metrics_get_descent (metrics)) +
                    BUTTON_PADDING * 2;
                pango_font_metrics_unref (metrics);
            }

            extra_height = MAX (extra_height, BUTTON_HEIGHT + BUTTON_PADDING * 2);

            running_height = extra_height;

            for (list = etgc->children; list; list = g_list_next (list)) {
                ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
                ETableGroup *child = child_node->child;

                g_object_get (
                    child,
                    "width", &item_width,
                    NULL);

                if (item_width > running_width)
                    running_width = item_width;
            }
            for (list = etgc->children; list; list = g_list_next (list)) {
                ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;
                ETableGroup *child = child_node->child;
                g_object_get (
                    child,
                    "height", &item_height,
                    NULL);

                e_canvas_item_move_absolute (
                    GNOME_CANVAS_ITEM (child_node->text),
                    GROUP_INDENT,
                    running_height - GROUP_INDENT - BUTTON_PADDING);

                e_canvas_item_move_absolute (
                    GNOME_CANVAS_ITEM (child),
                    GROUP_INDENT,
                    running_height);

                gnome_canvas_item_set (
                    GNOME_CANVAS_ITEM (child_node->rect),
                    "x1", (gdouble) 0,
                    "x2", (gdouble) running_width + GROUP_INDENT,
                    "y1", (gdouble) running_height - extra_height,
                    "y2", (gdouble) running_height + item_height,
                    NULL);

                running_height += item_height + extra_height;
            }
            running_height -= extra_height;
        }
        if (running_height != old_height || running_width != old_width) {
            etgc->height = running_height;
            etgc->width = running_width;
            e_canvas_item_request_parent_reflow (item);
        }
    }
}

static void
e_table_group_container_init (ETableGroupContainer *container)
{
    container->children = NULL;

    e_canvas_item_set_reflow_callback (GNOME_CANVAS_ITEM (container), etgc_reflow);

    container->alternating_row_colors = 1;
    container->horizontal_draw_grid = 1;
    container->vertical_draw_grid = 1;
    container->draw_focus = 1;
    container->cursor_mode = E_CURSOR_SIMPLE;
    container->length_threshold = -1;
    container->selection_model = NULL;
    container->uniform_row_height = FALSE;
}

void
e_table_group_apply_to_leafs (ETableGroup *etg,
                              ETableGroupLeafFn fn,
                              gpointer closure)
{
    if (E_IS_TABLE_GROUP_CONTAINER (etg)) {
        ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
        GList *list;

        /* Protect from unrefs in the callback functions */
        g_object_ref (etg);

        for (list = etgc->children; list; list = list->next) {
            ETableGroupContainerChildNode *child_node = list->data;

            e_table_group_apply_to_leafs (child_node->child, fn, closure);
        }

        g_object_unref (etg);
    } else if (E_IS_TABLE_GROUP_LEAF (etg)) {
        (*fn) (E_TABLE_GROUP_LEAF (etg)->item, closure);
    } else {
        g_error (
            "Unknown ETableGroup found: %s",
            g_type_name (G_TYPE_FROM_INSTANCE (etg)));
    }
}

typedef struct {
    ETableGroupContainer *etgc;
    GList *child;
    EPrintable *child_printable;
} ETGCPrintContext;

#define CHECK(x) if((x) == -1) return -1;

#if 0
static gint
gp_draw_rect (GtkPrintContext *context,
              gdouble x,
              gdouble y,
              gdouble width,
              gdouble height)
{
    cairo_t *cr;
    cr = gtk_print_context_get_cairo_context (context);
    cairo_move_to (cr, x, y);
    cairo_rectangle (cr, x, y, x + width, y + height);
    cairo_fill (cr);
}
#endif

#define TEXT_HEIGHT (12)
#define TEXT_AREA_HEIGHT (TEXT_HEIGHT + 4)

static void
e_table_group_container_print_page (EPrintable *ep,
                                    GtkPrintContext *context,
                                    gdouble width,
                                    gdouble height,
                                    gboolean quantize,
                                    ETGCPrintContext *groupcontext)
{
    cairo_t *cr = NULL;
    GtkPageSetup *setup;
    gdouble yd;
    gdouble page_height, page_margin;
    gdouble child_height, child_margin = 0;
    ETableGroupContainerChildNode *child_node;
    GList *child;
    EPrintable *child_printable;
    gchar *string;
    PangoLayout *layout;
    PangoFontDescription *desc;

    child_printable = groupcontext->child_printable;
    child = groupcontext->child;
    setup = gtk_print_context_get_page_setup (context);
    page_height = gtk_page_setup_get_page_height (setup, GTK_UNIT_POINTS);
    page_margin = gtk_page_setup_get_bottom_margin (setup, GTK_UNIT_POINTS) + gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
    yd = page_height - page_margin;

    if (child_printable) {
        if (child)
            child_node = child->data;
        else
            child_node = NULL;
        g_object_ref (child_printable);
    } else {
        if (!child) {
            return;
        } else {
            child_node = child->data;
            child_printable = e_table_group_get_printable (child_node->child);
            if (child_printable)
                g_object_ref (child_printable);
            e_printable_reset (child_printable);
        }
    }

    layout = gtk_print_context_create_pango_layout (context);

    desc = pango_font_description_new ();
    pango_font_description_set_family_static (desc, "Helvetica");
    pango_font_description_set_size (desc, TEXT_HEIGHT);
    pango_layout_set_font_description (layout, desc);
    pango_font_description_free (desc);

    while (1) {
        child_height = e_printable_height (child_printable, context, width,yd, quantize);
        if (child_height < 0)
            child_height = -child_height;
        if (cr && yd < 2 * TEXT_AREA_HEIGHT + 20 + child_height) {
            cairo_show_page (cr);
            cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, -TEXT_AREA_HEIGHT);
            break;
        }

        cr = gtk_print_context_get_cairo_context (context);
        cairo_save (cr);
        cairo_rectangle (cr, 0.0, 0.0, width, TEXT_AREA_HEIGHT);
        cairo_rectangle (cr, 0.0, 0.0, 2 * TEXT_AREA_HEIGHT, child_height + 2 * TEXT_AREA_HEIGHT);
        cairo_set_source_rgb (cr, .7, .7, .7);
        cairo_fill (cr);
        cairo_restore (cr);
        child_margin = TEXT_AREA_HEIGHT;

        cairo_save (cr);
        cairo_rectangle (cr, 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT, width - 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT);
        cairo_clip (cr);
        cairo_restore (cr);

        if (child_node) {
            cairo_move_to (cr, 0, 0);
            if (groupcontext->etgc->ecol->text)
                string = g_strdup_printf (
                    "%s : %s (%d item%s)",
                    groupcontext->etgc->ecol->text,
                    child_node->string,
                    (gint) child_node->count,
                    child_node->count == 1 ? "" : "s");
            else
                string = g_strdup_printf (
                    "%s (%d item%s)",
                    child_node->string,
                    (gint) child_node->count,
                    child_node->count == 1 ? "" : "s");
            pango_layout_set_text (layout, string, -1);
            pango_cairo_show_layout (cr, layout);
            g_free (string);
        }

        cairo_translate (cr, 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT);
        cairo_move_to (cr, 0, 0);
        cairo_save (cr);
        cairo_rectangle (cr, 0, child_margin, width - 2 * TEXT_AREA_HEIGHT, child_height + child_margin + 20);
        cairo_clip (cr);

        e_printable_print_page (child_printable, context, width - 2 * TEXT_AREA_HEIGHT, child_margin, quantize);
        yd -= child_height + TEXT_AREA_HEIGHT;

        if (e_printable_data_left (child_printable)) {
            cairo_restore (cr);
            cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, -TEXT_AREA_HEIGHT);
            break;
        }

        child = child->next;
        if (!child) {
            child_printable = NULL;
            break;
        }

        child_node = child->data;
        if (child_printable)
            g_object_unref (child_printable);

        child_printable = e_table_group_get_printable (child_node->child);
        cairo_restore (cr);
        cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, child_height + child_margin + 20);

        if (child_printable)
            g_object_ref (child_printable);
        e_printable_reset (child_printable);
    }
    if (groupcontext->child_printable)
        g_object_unref (groupcontext->child_printable);
    groupcontext->child_printable = child_printable;
    groupcontext->child = child;

    g_object_unref (layout);
}

static gboolean
e_table_group_container_data_left (EPrintable *ep,
                                     ETGCPrintContext *groupcontext)
{
    g_signal_stop_emission_by_name (ep, "data_left");
    return groupcontext->child != NULL;
}

static void
e_table_group_container_reset (EPrintable *ep,
                               ETGCPrintContext *groupcontext)
{
    groupcontext->child = groupcontext->etgc->children;
    if (groupcontext->child_printable)
        g_object_unref (groupcontext->child_printable);
    groupcontext->child_printable = NULL;
}

static gdouble
e_table_group_container_height (EPrintable *ep,
                                GtkPrintContext *context,
                                gdouble width,
                                gdouble max_height,
                                gboolean quantize,
                                ETGCPrintContext *groupcontext)
{
    gdouble height = 0;
    gdouble child_height;
    gdouble yd = max_height;
    ETableGroupContainerChildNode *child_node;
    GList *child;
    EPrintable *child_printable;

    child_printable = groupcontext->child_printable;
    child = groupcontext->child;

    if (child_printable)
        g_object_ref (child_printable);
    else {
        if (!child) {
            g_signal_stop_emission_by_name (ep, "height");
            return 0;
        } else {
            child_node = child->data;
            child_printable = e_table_group_get_printable (child_node->child);
            if (child_printable)
                g_object_ref (child_printable);
            e_printable_reset (child_printable);
        }
    }

    if (yd != -1 && yd < TEXT_AREA_HEIGHT)
        return 0;

    while (1) {
        child_height = e_printable_height (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize);

        height -= child_height + TEXT_AREA_HEIGHT;

        if (yd != -1) {
            if (!e_printable_will_fit (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize)) {
                break;
            }

            yd += child_height + TEXT_AREA_HEIGHT;
        }

        child = child->next;
        if (!child) {
            break;
        }

        child_node = child->data;
        if (child_printable)
            g_object_unref (child_printable);
        child_printable = e_table_group_get_printable (child_node->child);
        if (child_printable)
            g_object_ref (child_printable);
        e_printable_reset (child_printable);
    }
    if (child_printable)
        g_object_unref (child_printable);
    g_signal_stop_emission_by_name (ep, "height");
    return height;
}

static gboolean
e_table_group_container_will_fit (EPrintable *ep,
                                  GtkPrintContext *context,
                                  gdouble width,
                                  gdouble max_height,
                                  gboolean quantize,
                                  ETGCPrintContext *groupcontext)
{
    gboolean will_fit = TRUE;
    gdouble child_height;
    gdouble yd = max_height;
    ETableGroupContainerChildNode *child_node;
    GList *child;
    EPrintable *child_printable;

    child_printable = groupcontext->child_printable;
    child = groupcontext->child;

    if (child_printable)
        g_object_ref (child_printable);
    else {
        if (!child) {
            g_signal_stop_emission_by_name (ep, "will_fit");
            return will_fit;
        } else {
            child_node = child->data;
            child_printable = e_table_group_get_printable (child_node->child);
            if (child_printable)
                g_object_ref (child_printable);
            e_printable_reset (child_printable);
        }
    }

    if (yd != -1 && yd < TEXT_AREA_HEIGHT)
        will_fit = FALSE;
    else {
        while (1) {
            child_height = e_printable_height (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize);

            if (yd != -1) {
                if (!e_printable_will_fit (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize)) {
                    will_fit = FALSE;
                    break;
                }

                yd += child_height + TEXT_AREA_HEIGHT;
            }

            child = child->next;
            if (!child) {
                break;
            }

            child_node = child->data;
            if (child_printable)
                g_object_unref (child_printable);
            child_printable = e_table_group_get_printable (child_node->child);
            if (child_printable)
                g_object_ref (child_printable);
            e_printable_reset (child_printable);
        }
    }

    if (child_printable)
        g_object_unref (child_printable);

    g_signal_stop_emission_by_name (ep, "will_fit");
    return will_fit;
}

static void
e_table_group_container_printable_destroy (gpointer data,
                                           GObject *where_object_was)

{
    ETGCPrintContext *groupcontext = data;

    g_object_unref (groupcontext->etgc);
    if (groupcontext->child_printable)
        g_object_ref (groupcontext->child_printable);
    g_free (groupcontext);
}

static EPrintable *
etgc_get_printable (ETableGroup *etg)
{
    ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
    EPrintable *printable = e_printable_new ();
    ETGCPrintContext *groupcontext;

    groupcontext = g_new (ETGCPrintContext, 1);
    groupcontext->etgc = etgc;
    g_object_ref (etgc);
    groupcontext->child = etgc->children;
    groupcontext->child_printable = NULL;

    g_signal_connect (
        printable, "print_page",
        G_CALLBACK (e_table_group_container_print_page),
        groupcontext);
    g_signal_connect (
        printable, "data_left",
        G_CALLBACK (e_table_group_container_data_left),
        groupcontext);
    g_signal_connect (
        printable, "reset",
        G_CALLBACK (e_table_group_container_reset),
        groupcontext);
    g_signal_connect (
        printable, "height",
        G_CALLBACK (e_table_group_container_height),
        groupcontext);
    g_signal_connect (
        printable, "will_fit",
        G_CALLBACK (e_table_group_container_will_fit),
        groupcontext);
    g_object_weak_ref (
        G_OBJECT (printable),
        e_table_group_container_printable_destroy,
        groupcontext);

    return printable;
}

gboolean
e_table_group_container_is_editing (ETableGroupContainer *etgc)
{
    GList *list;

    g_return_val_if_fail (E_IS_TABLE_GROUP_CONTAINER (etgc), FALSE);

    for (list = etgc->children; list; list = g_list_next (list)) {
        ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data;

        if (e_table_group_is_editing (child_node->child)) {
            return TRUE;
        }
    }

    return FALSE;
}