/* =====================================
 *  画像アップロード
 *  Type: php javascript
 *  Version:  1.3.0
 *  Register: 2013-03-01
 *  Update:   2013-03-01
 *
 *  Use: jquery
===================================== */

var upload_image_submit_flag = true;
var upload_image_submit_default_action;
var upload_image_submit_default_target = "_self";

function uploadImage(upload_id, upload_item, data_name, upload_dir) {
	if ( upload_image_submit_flag == true ) {
		upload_image_submit_default_action = document.form_data.action;
		upload_image_submit_flag = false;
	}
	var url1 = "/common/php/lib/upload_image.php?ajax_req=start&upload_item=" + upload_item + "&data_name=" + data_name;
	var url2 = "/common/php/lib/upload_image.php?ajax_req=check&upload_item=" + upload_item;
	_startImageUpload(upload_id, url1);
	setTimeout("_postImageUpload('" + upload_item + "', '" + upload_dir + "')", 1000);
	_checkImageUpload(upload_id, url2, upload_item);
}

function _startImageUpload(upload_id, url) {
	_loadImageData(upload_id, url);
}

function _loadImageData(upload_id, image_url) {
	$.ajax({
		type: "GET",
		url: image_url,
		cache: false,
		success: function(img) {
			$('#' + upload_id).html(img);
		},
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			$('#' + upload_id).html("ネットワーク・エラーが発生しました");
		}
	});
}

function _postImageUpload(upload_item, upload_dir) {
	document.form_data.action = "/common/php/lib/upload_image.php";
	document.form_data.target = "form_post_data";
	document.form_data.ajax_req.value = "post";
	document.form_data.upload_item.value = upload_item;
	document.form_data.upload_dir.value = upload_dir;
	document.form_data.submit();
}

var upload_image_timer = new Array();

function _checkImageUpload(upload_id, url, upload_item) {
	upload_image_timer[upload_item] = setInterval("_checkImageFile('" + upload_id + "', '" + url + "', '" + upload_item + "')", 1000);
}

function _checkImageFile(upload_id, check_url, upload_item) {
	var message;
	$.ajax({
		type: "GET",
		url: check_url,
		cache: false,
		success: function(res) {
			if ( res == 1 ) {
				message = '<img src="/common/img/upload/loading_complete.gif" width="40" height="40" alt="アップロード完了" class="loading">';
				$('#' + upload_id).html(message);
				clearInterval(upload_image_timer[upload_item]);
				setTimeout("_getImageData('" + upload_id + "', '" + upload_item + "')", 500);
			} else if ( res == 2 ) {
				message = '<img src="/common/img/upload/loading.gif" width="40" height="40" alt="アップロード中" class="loading">';
				$('#' + upload_id).html(message);
			}
		},
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			$('#' + upload_id).html("ネットワーク・エラーが発生しました");
		}
	});
}

function _getImageData(upload_id, upload_item) {
	var url = "/common/php/lib/upload_image.php?ajax_req=display&upload_item=" + upload_item;
	_loadImageData(upload_id, url);
	var delID = upload_id + "_delete";
	_resetUploadImageSubmit();
	$('#' + delID).css("display", "block");
}

function _resetUploadImageSubmit() {
	document.form_data.action = upload_image_submit_default_action;
	document.form_data.target = upload_image_submit_default_target;
}

function deleteImage(upload_id, upload_item, data_name) {
	if ( !window.confirm("画像を削除しますか?") ) {
		return false;
	} else {
		var url = "/common/php/lib/upload_image.php?ajax_req=delete&upload_item=" + upload_item + "&data_name=" + data_name;
		_loadImageData(upload_id, url);
		var delID = upload_id + "_delete";
		$('#' + delID).css("display", "none");
		return false;
	}
}


// =============================================================================