/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. 
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2008 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/editors/space_text/text_header.c
 *  \ingroup sptext
 */

#include "DNA_windowmanager_types.h"

#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"


#include "BKE_context.h"
#include "BKE_screen.h"

#include "ED_screen.h"

#include "WM_types.h"

#include "text_intern.h"

/* ************************ header area region *********************** */

/************************** properties ******************************/

static ARegion *text_has_properties_region(ScrArea *sa)
{
	ARegion *ar, *arnew;

	ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
	if (ar) return ar;
	
	/* add subdiv level; after header */
	ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);

	/* is error! */
	if (ar == NULL) return NULL;
	
	arnew = MEM_callocN(sizeof(ARegion), "properties region");
	
	BLI_insertlinkafter(&sa->regionbase, ar, arnew);
	arnew->regiontype = RGN_TYPE_UI;
	arnew->alignment = RGN_ALIGN_LEFT;
	
	arnew->flag = RGN_FLAG_HIDDEN;
	
	return arnew;
}

static int text_properties_poll(bContext *C)
{
	return (CTX_wm_space_text(C) != NULL);
}

static int text_properties_exec(bContext *C, wmOperator *UNUSED(op))
{
	ScrArea *sa = CTX_wm_area(C);
	ARegion *ar = text_has_properties_region(sa);
	
	if (ar)
		ED_region_toggle_hidden(C, ar);

	return OPERATOR_FINISHED;
}

void TEXT_OT_properties(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Properties";
	ot->description = "Toggle the properties region visibility";
	ot->idname = "TEXT_OT_properties";
	
	/* api callbacks */
	ot->exec = text_properties_exec;
	ot->poll = text_properties_poll;
}

static int text_text_search_exec(bContext *C, wmOperator *UNUSED(op))
{
	ScrArea *sa = CTX_wm_area(C);
	ARegion *ar = text_has_properties_region(sa);
	SpaceText *st = CTX_wm_space_text(C);
	
	if (ar) {
		if (ar->flag & RGN_FLAG_HIDDEN)
			ED_region_toggle_hidden(C, ar);
		
		/* cannot send a button activate yet for case when region wasn't visible yet */
		/* flag gets checked and cleared in main draw callback */
		st->flags |= ST_FIND_ACTIVATE;
		
		ED_region_tag_redraw(ar);
	}
	return OPERATOR_FINISHED;
}


void TEXT_OT_start_find(wmOperatorType *ot)
{
	/* identifiers */
	ot->name = "Find";
	ot->description = "Start searching text";
	ot->idname = "TEXT_OT_start_find";
	
	/* api callbacks */
	ot->exec = text_text_search_exec;
	ot->poll = text_properties_poll;
}

/******************** XXX popup menus *******************/

#if 0
{
	// RMB

	uiPopupMenu *pup;

	if (text) {
		pup = UI_popup_menu_begin(C, IFACE_("Text"), ICON_NONE);
		if (txt_has_sel(text)) {
			uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_cut");
			uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_copy");
		}
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_paste");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_new");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_open");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_save");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_save_as");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_run_script");
		UI_popup_menu_end(C, pup);
	}
	else {
		pup = UI_popup_menu_begin(C, IFACE_("File"), ICON_NONE);
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_new");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_open");
		UI_popup_menu_end(C, pup);
	}
}

{
	// Alt+Shift+E

	uiPopupMenu *pup;

	pup = UI_popup_menu_begin(C, IFACE_("Edit"), ICON_NONE);
	uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_cut");
	uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_copy");
	uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_paste");
	UI_popup_menu_end(C, pup);
}

{
	// Alt+Shift+F

	uiPopupMenu *pup;

	if (text) {
		pup = UI_popup_menu_begin(C, IFACE_("Text"), ICON_NONE);
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_new");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_open");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_save");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_save_as");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_run_script");
		UI_popup_menu_end(C, pup);
	}
	else {
		pup = UI_popup_menu_begin(C, IFACE_("File"), ICON_NONE);
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_new");
		uiItemO(layout, NULL, ICON_NONE, "TEXT_OT_open");
		UI_popup_menu_end(C, pup);
	}
}

{
	// Alt+Shift+V

	uiPopupMenu *pup;

	pup = UI_popup_menu_begin(C, IFACE_("Text"), ICON_NONE);
	uiItemEnumO(layout, "TEXT_OT_move", CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Top of File"),
	            0, "type", FILE_TOP);
	uiItemEnumO(layout, "TEXT_OT_move", CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Bottom of File"),
	            0, "type", FILE_BOTTOM);
	uiItemEnumO(layout, "TEXT_OT_move", CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Page Up"), 0, "type", PREV_PAGE);
	uiItemEnumO(layout, "TEXT_OT_move", CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Page Down"),
	            0, "type", NEXT_PAGE);
	UI_popup_menu_end(C, pup);
}
#endif