// 各レイヤー毎に保存  
//---------------2006.01.24 新瀬 進(http://www016.upp.so-net.ne.jp/sorakaze/ )
//2003.10.28 文字化け対策を追加
//2004.10.04 CS対応
//2006.01.24 作り直し、レイヤーセットに対応

// 初期設定===================================================================

var strtRulerUnits = preferences.rulerUnits;
if(strtRulerUnits != Units.PIXELS){ preferences.rulerUnits = Units.PIXELS; }

var outputFolder = 'Layers';
var folderChar = '\\';
var cnctChar = '_';

var msgError1 = '保存した画像を開いて実行してください';
var msgConfirm1 = '表示レイヤ−のみの出力にしますか？';
var msgConfirm2 = '背景レイヤ−を出力しますか？';
var msgComplete = '出力完了';

var saveOpt = new PhotoshopSaveOptions();
saveOpt.alphaChannels = false;           // アルファチャンネル
saveOpt.annotations = false;             // 注釈
saveOpt.embedColorProfile = false;       // カラープロファイル
saveOpt.layers = true;                   // レイヤー
saveOpt.spotColors = false;              // スポットカラー

// Functions==================================================================

// NewDocumentModeを設定------------------------------------------------------
function makeDocMode(srcmode){

	switch(srcmode){
		case DocumentMode.BITMAP:
			return NewDocumentMode.GRAYSCALE;
		case DocumentMode.CMYK:
			return NewDocumentMode.CMYK;
		case DocumentMode.DUOTONE:
			return NewDocumentMode.RGB;
		case DocumentMode.GRAYSCALE:
			return NewDocumentMode.GRAYSCALE;
		case DocumentMode.INDEXEDCOLOR:
			return NewDocumentMode.RGB;
		case DocumentMode.LAB:
			return NewDocumentMode.LAB;
		case DocumentMode.MULTICHANNEL:
			return NewDocumentMode.RGB;
		case DocumentMode.RGB:
			return NewDocumentMode.RGB;
		default:
			return NewDocumentMode.RGB;
	}

}

// 領域を取得-----------------------------------------------------------------
function getArea(s){

	this.left = Number(s[0]);
	this.top = Number(s[1]);
	this.right = Number(s[2]);
	this.bottom = Number(s[3]);
	this.width = this.right - this.left;
	this.height = this.bottom - this.top;

}

// レイヤー数だけ繰り返し-----------------------------------------------------
function splitLayers(srcLevel, newName){

	var loop, c, newDoc, newFile, layerName;
	var layerNames = new Array();

	for(loop=0; loop<srcLevel.layerSets.length; loop++)
		splitLayers(srcLevel.layerSets[loop], newName + srcLevel.layerSets[loop].name + cnctChar);

	var loopTimes = srcLevel.artLayers.length;
	if(loopTimes)
		if(!backgroundSave && srcLevel.artLayers[loopTimes - 1].isBackgroundLayer)
			loopTimes--;

	for(loop=0; loop<loopTimes; loop++){
		if(srcLevel.artLayers[loop].visible || !layerVisibleOnly){

			srcDoc.activeLayer = srcLevel.artLayers[loop];
			layerName = srcLevel.artLayers[loop].name;

			c = new getArea(srcLevel.artLayers[loop].bounds);

			srcDoc.selection.selectAll();
			try{
				srcDoc.selection.copy();
			}catch(e){
				continue;
			}

			if(layerNames[layerName]) layerNames[layerName]++;
			else layerNames[layerName] = 1;

		// 新規画像を元画像と同じ設定で作成
			newDoc = documents.add(srcDoc.width, srcDoc.height, srcDoc.resolution, "New Document", makeDocMode(srcDoc.mode), DocumentFill.TRANSPARENT); 

			newDoc.bitsPerChannel = srcDoc.bitsPerChannel;
			newDoc.colorProfileName = srcDoc.colorProfileName;
			newDoc.colorProfileType = srcDoc.colorProfileType;
			newDoc.pixelAspectRatio = srcDoc.pixelAspectRatio;

			newDoc.selection.select(Array (Array(c.left, c.top), Array(c.right, c.top), Array(c.right, c.bottom), Array(c.left, c.bottom)), SelectionType.REPLACE, 0, false);
			newDoc.paste(true);
			newDoc.activeLayer.name = layerName;
			newDoc.mergeVisibleLayers();

			if(layerNames[layerName] > 1) //レイヤー名重複時の処理
				layerName = layerName + '(' + layerNames[layerName] + ')';

			newFile = new File( newName + layerName );

			newDoc.saveAs( newFile, saveOpt, false, Extension.LOWERCASE );
			newDoc.close();
		}
	}

}

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

// メイン=====================================================================

if(documents.length == 0){
  alert(msgError1);
}else{
	var layerVisibleOnly = confirm(msgConfirm1);
	var backgroundSave = confirm(msgConfirm2);

	var srcDoc = activeDocument;

	var basePath = srcDoc.path.fsName.toString() + folderChar + outputFolder;
	var baseName = srcDoc.name.toString().replace(/\.psd/i, "") + cnctChar;

	var newFolder = new Folder(basePath);
	if(!newFolder.exists) newFolder.create();

	splitLayers(srcDoc, basePath + folderChar + baseName);
}

// 後処理=====================================================================

if(strtRulerUnits != Units.PIXELS){ preferences.rulerUnits = strtRulerUnits; }
alert(msgComplete);