// Copyright (C) 1997-2004 Alias Systems Corp.
// 
// The information in this file is provided for the exclusive use of the
// licensees of Alias.  Such users have the right to use, modify,
// and incorporate this code into other products for purposes authorized
// by the Alias license agreement, without fee.
// 
// ALIAS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
// INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
// EVENT SHALL ALIAS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
// CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

global proc pasteScene(){
	
	string $fileExt = ".mb";
	if (`about -evalVersion`) {
		$fileExt = ".mp";
	}

	// determine temp directory
	string $tmpFile = "/maya_sceneClipBoard" + $fileExt;
	string $tmpdir = `getenv TMPDIR`;
	string $filePath = ($tmpdir + $tmpFile);
	
	// find list of existing transforms for comparison after import
	string $existingTransforms[] = `ls -transforms`;
	
	// import scene
	file -force
		-import
		-renameAll true
		-renamingPrefix "pasted_"
		-groupReference
		$filePath;
	
	// determine what the new nodes are so they may be selected
	string $allTransforms[] = `ls -transforms`;
	string $newTransforms[] = stringArrayRemove( $existingTransforms, $allTransforms);
	select -replace $newTransforms;
	select -replace `ls -sl -head 1`;

}

global proc cutCopyScene (int $cut){
	
	string $fileExt  = ".mb";
	string $fileType = "mayaBinary";
	if (`about -evalVersion`) {
		$fileExt  = ".mp";
		$fileType = "mayaPLE";
	}

	// determine temp directory
	string $tmpFile = "/maya_sceneClipBoard" + $fileExt;
	string $tmpdir = `getenv TMPDIR`;
	string $filePath = ($tmpdir + $tmpFile);
	
	// export selected nodes
	file -force
		-exportSelected 
		-constructionHistory true
		-channels true
		-expressions true
		-constraints true
		-shader true
		-type $fileType
		$filePath;
	
	// delete nodes if user asks for cut
	if ($cut){
		delete;
	}
}

global proc cutCopyPaste (string $operation){
	
	// $operation:	cut
	//				copy
	//				paste
	
	// make sure generateChannelMenu has been sourced so channelBox commands work
	if (!`exists channelBoxCommand`){
		source generateChannelMenu.mel;
	}
	
	// based on active panel, channelBox selection and selected nodes
	// determine what user wants to cut copy paste
	
	string $option = "none";;
	string $parameter;
	string $selection[] = `ls -sl`;

	// determine if active panel is animation based
	// this value should override the channelBox cut copy paste
	string $currentPanel = `getPanel -underPointer`;
	if( $currentPanel == "" ) {
		$currentPanel = `getPanel -withFocus`;
	}
	string $panelType = `getPanel -typeOf $currentPanel`;
	if( $panelType == "scriptedPanel" ) {
		$panelType = `scriptedPanel -q -type $currentPanel`;
		if ($panelType == "graphEditor" || 
			$panelType == "dopeSheetPanel" ||
			$panelType == "clipEditorPanel")
		{

			$option = $panelType;
			if( $panelType == "dopeSheetPanel" ) {
				$parameter = $currentPanel + "OutlinerSelection";
			} else {
				$parameter = editorNameFromPanel( $currentPanel );
			}
		} else {
			$option = "nodes";
		}
	}
	// determine if anything is selected
	else if (size($selection)){
		$option = "nodes";
		
		// determine if attrs are selected in channelBox
		string $attrList[] = `channelBox -q -selectedMainAttributes mainChannelBox`;
		string $attrHistoryList[] = `channelBox -q -selectedHistoryAttributes mainChannelBox`;
		string $attrOutputList[] = `channelBox -q -selectedOutputAttributes mainChannelBox`;
		string $attrShapeList[] = `channelBox -q -selectedShapeAttributes mainChannelBox`;
		if ((size($attrList) != 0) ||
			(size($attrHistoryList) != 0) || 
			(size($attrOutputList) != 0) ||
			(size($attrOutputList) != 0)){
			
			$option = "channels";
		}
			
	} else if (!size($selection) && $operation == "paste"){	
		$option = "nodes";
	}

	switch ($option){
	case "channels":
		if ($operation == "cut"){
			channelBoxCommand -cut;
		} else if ($operation == "copy"){
			channelBoxCommand -copy;
		} else {
			channelBoxCommand -paste;
		}
		break;
		
	case "graphEditor":
		if ($operation == "cut"){
			performCutKeyArgList 1 {"3", $parameter, "1"};
		} else if ($operation == "copy"){
			performCopyKeyArgList 1 {"3", $parameter, "1"};
		} else {
			performPasteKeyArgList 1 {"3", $parameter, "1"};
		}
		break;
		
	case "dopeSheetPanel":
		if ($operation == "cut"){
			performCutKeyArgList 1 {"0", $parameter, "2"};
		} else if ($operation == "copy"){
			performCopyKeyArgList 1 {"0", $parameter, "2"};
		} else {
			performPasteKeyArgList 1 {"0", $parameter, "2"};
		}
		break;
		
	case "clipEditorPanel":
		if ($operation == "cut"){
			doCutClipArgList 1 { $parameter };
		} else if ($operation == "copy"){
			doCopyClipArgList 1 { $parameter };
		} else {
			performPasteClip 0;
		}
		break;
		
	case "nodes":
		if ($operation == "cut"){
			cutCopyScene 1;
		} else if ($operation == "copy"){
			cutCopyScene 0;
		} else {
			pasteScene;
		}
		break;

	case "none":
		// nothing selected - nothing required but a warning
		warning "Nothing is selected.";
		break;
		
	}
	
}