// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
//
//
//  Creation Date:  February 01, 2001
//
//  Description:
//      This is a script to perfrom the filterCurve command
//		with options for resampling.
//
//  Input Arguments:
//		int action		0 - just execute the command
//						1 - show the option box dialog
//						2 - return the drag command
//
//  Return Value:
//      None.
//

proc setOptionVars (int $forceFactorySettings)
{
	keySetOptionBoxCommon( { "resample", 
							 "unknown",
							 "setOptionVars", 
							 $forceFactorySettings } );

	// Resample kernel types
	//
	//	1: Closest Sample
	//	2: Linear Interpolation
	//	3: Box Filter
	//	4: Triangle Filter
	//	5: Gaussian 2
	//	6: Gaussian 4
	//
	if ($forceFactorySettings || 
		!`optionVar -exists resampleKernel`) {
		optionVar -intValue resampleKernel 5;
	}

	// timeStep
	//
	if ($forceFactorySettings || !`optionVar -exists resampleTimeStep`) {
		optionVar -floatValue resampleTimeStep 1.0;
	}
}

global proc resampleSetup (string $parent, string $selectionConnection, int $forceFactorySettings)
{
	// Retrieve the option settings
	//
	setOptionVars ($forceFactorySettings);

	setParent $parent;

	keySetOptionBoxCommon( { "resample", $selectionConnection, "setup", 0 } );

    // Set the correct menu for the resample kernel
	//
	int $kernel = `optionVar -query resampleKernel`;
	if ($kernel < 1 || $kernel > 6) {
		$kernel = 5;
	}
	optionMenuGrp -e -sl $kernel resampleKernelMenuGrp;

	// -timeStep
	//
	float $timeStep = `optionVar -query resampleTimeStep`;
	floatFieldGrp -edit -value1 $timeStep resampleTimeStep;

	resampleWidgetsEnable ($selectionConnection);
}


global proc resampleCallback( string $parent, int $doIt,
							  string $selectionConnection, int $performAction )
{
    setParent $parent;

	keySetOptionBoxCommon( { "resample", $selectionConnection, "callback" } );

	//	Resample kernel
	//
	int $kernel = `optionMenuGrp -q -sl resampleKernelMenuGrp`;
	optionVar -intValue resampleKernel $kernel;

	// -timeStep
	//
	optionVar
		-floatValue
		resampleTimeStep
		`floatFieldGrp -query -value1 resampleTimeStep`;

	if( $doIt ) {
		performResample( $performAction, $selectionConnection);
		string $tmpCmd = "performResample ";
		$tmpCmd += "\"" + $performAction + "\", ";
		$tmpCmd += "\"" + $selectionConnection + "\"";
		addToRecentCommandQueue $tmpCmd "Resample";
	}
}

global proc resampleWidgetsEnable(string $selectionConnection)
{
	keySetOptionBoxCommon( { "resample", $selectionConnection, "enable" } );	
}

proc string resampleWidgets( string $tabLayout, string $selectionConnection )
{
	setParent $tabLayout;

	string $tabForm = `columnLayout -adjustableColumn true`;

	keySetOptionBoxCommon( { "resample", $selectionConnection, "widgets", 1, 0, 1 } );

	optionMenuGrp -label (uiRes("m_performResample.kResampleType")) resampleKernelMenuGrp;
		menuItem (uiRes("m_performResample.kClosestSample"));
		menuItem (uiRes("m_performResample.kLinearInterpolation"));
		menuItem (uiRes("m_performResample.kBoxFilter"));
		menuItem (uiRes("m_performResample.kTriangleFilter"));
		menuItem (uiRes("m_performResample.kGaussian2"));
		menuItem (uiRes("m_performResample.kGaussian4"));

	floatFieldGrp -label (uiRes("m_performResample.kTimeStep")) -precision 2 -value1 1.0 resampleTimeStep;

	return $tabForm;
}

global proc resampleDoSelectionChanged(string $selectionConnection)
//
// Description:
//	Since timeRange is irrelevant when there are 
//	picked keyframes, collapse the timeRange
//	when there are.  (This is hooked in to a SelectionChanged
//	trigger.)
//
{
	keySetOptionBoxCommon( { "resample", $selectionConnection, "selectionChanged" } );
	resampleWidgetsEnable ($selectionConnection);
}


proc resampleOptions( string $selectionConnection, int $performAction )
{
	// Customisation options
	//
	// Name of the command for this option box (think of it as the base class)
	string $commandName = "resample";
	// Title for the option box window
	string $optionBoxTitle = (uiRes("m_performResample.kResampleCurveOptions"));
	// Title for the apply button
	string $applyTitle = (uiRes("m_performResample.kResample"));

	// Build the option box "methods"
	//
	string $callback = ($commandName + "Callback");
	string $setup = ($commandName + "Setup");

	// Build the window, with a tab layout
	//
	string $widgetList[] = `getStandardWindow $optionBoxTitle 0 "noOptions"`;
	setUITemplate -pushTemplate DefaultTemplate;

	// Make the form invisible while we create the widgets in the window
	//
	formLayout -e -vis false $widgetList[1];

	// Attach each tab
	//
	resampleWidgets $widgetList[2] $selectionConnection;

	// Attach the standard buttons
	//
	string $buttonList[] = `addStandardButtons $commandName $applyTitle 
		$widgetList[1] $widgetList[2] "noOptions"`;

	// attach commands to the standard buttons
	//
	// Save
	//
	button -e -c ($callback + " " + $widgetList[0] + " false \"\" " + $performAction +
				  "; hideOptionBox()") $buttonList[3];

	// Close
	//
	button -edit -command hideOptionBox $buttonList[2];

	// Reset
	//
	button -edit -command ($setup + " " + $widgetList[0] + " " + $selectionConnection + " true") $buttonList[1];

	// Do It
	//
	button -edit -command ($callback + " " + $widgetList[0] + " true \"" +
						   $selectionConnection + "\"" + $performAction) $buttonList[0];

	// Make the form layout visible so we can see what we built, and
	// reset the template
	//
	formLayout -e -vis true $widgetList[1];
	setUITemplate -popTemplate;

	//	Customize the 'Help' menu item text.
	//
	setOptionBoxHelpTag( "ResampleCurves" );

	// Call the setup "method" to fill in the current settings
	//
	eval (($setup + " " + $widgetList[0] + " " + $selectionConnection + " false"));	
	showOptionBox();
    showWindow $widgetList[0];

	resampleDoSelectionChanged($selectionConnection);	
	scriptJob -protected
		-event "SelectionChanged" ("resampleDoSelectionChanged " + $selectionConnection) 
		-parent $widgetList[2];
}

proc string assembleCmd( string $selectionConnection, string $options ) 
{
	string $cmd = "doResampleArgList 1 { " + 
				"\"" + `optionVar -q resampleWhichRange` + "\"" +
				",\"" + `optionVar -q resampleRange` + "\"" +
				",\"" + `optionVar -q resampleKernel` + "\"" +
				",\"" + `optionVar -q resampleTimeStep` + "\"" +
				",\"" + $selectionConnection + "\"" +
				",\"" + $options + "\"" +
			" };";		

	return $cmd;
}

// The action variable means
//		0 - do the command
//		1 - show the option box
//		2 - return the drag command
//		3 - do the command (bufferCurve version)
//		4 - show the option box (bufferCurve version)
//		5 - return the drag command (bufferCurve version)
//
global proc string performResample( int $action, string $selectionConnection )
{
	string $cmd = "";

	switch( $action ) {
	case 0:
		setOptionVars( false );
		$cmd = assembleCmd( $selectionConnection, "noOptions" );
		eval( $cmd );
		break;
	case 1:
		resampleOptions( $selectionConnection, 0 );
		break;
	case 2:
		setOptionVars( false );
		$cmd = assembleCmd( $selectionConnection, "noOptions" );
		break;
	case 3:
		setOptionVars( false );
		$cmd = assembleCmd( $selectionConnection, "bufferCurve" );
		eval( $cmd );
		break;
	case 4:
		resampleOptions( $selectionConnection, 3 );
		break;
	case 5:
		setOptionVars( false );
		$cmd = assembleCmd( $selectionConnection, "bufferCurve" );
		break;
	}
	return ($cmd);
}