// ===========================================================================
// 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:  11 April 1997
//
//  Description:
//		Initialize the option values for attach menu item.
//
//  Input Arguments:
//      int action
//		  0 - just execute the attach operation
//        1 - show the option box dialog
//		  2 - drag to shelf
//
//  Return Value:
//      None.
//

proc setOptionVars(int $forceFactorySettings)
{
	//	Keep multiple knots (on-1 or off-0 to be used if attach is on).
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvKeepMultKnots`) {
		optionVar -intValue attachCrvKeepMultKnots 1;
	}

	// keep original (for in place operations is on-1 or off-0).
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvKeepOriginal`) {
		optionVar -intValue attachCrvKeepOriginal 1;
	}

	// blend method
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvMethod`) {
		optionVar -intValue attachCrvMethod 1;
	}

	// insert knots for blend
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvBlendInsert`) {
		optionVar -intValue attachCrvBlendInsert 0;
	}

	// blend bias
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvBlendBias`) {
		optionVar -floatValue attachCrvBlendBias 0.5;
	}

	// blend insert
	//
	if ($forceFactorySettings || !`optionVar -exists attachCrvBlendParameter`) {
		optionVar -floatValue attachCrvBlendParameter 0.1;
	}
}

global proc attachCrvVisibility( string $parent, int $method,
								 int $insert )
{
	if( $method < 0 ) {
		$method = `radioButtonGrp -q -sl attachCrvMethodWidget` - 1;
	}
	if( $insert < 0 ) {
		$insert = `checkBoxGrp -q -v1 attachCrvBlendInsertWidget`;
	}

	switch( $method ) {
	  case 0:
	  default:
		floatSliderGrp -e -en false attachCrvBlendBiasWidget;
		checkBoxGrp -e -en1 false attachCrvBlendInsertWidget;
		floatSliderGrp -e -en false attachCrvBlendParameterWidget;
		radioButtonGrp -e -en true attachMultKnotBtn;
		break;

	  case 1:
		floatSliderGrp -e -en true attachCrvBlendBiasWidget;
		checkBoxGrp -e -en1 true attachCrvBlendInsertWidget;
		floatSliderGrp -e -en $insert attachCrvBlendParameterWidget;
		radioButtonGrp -e -en false attachMultKnotBtn;
		break;
	}
}


//
//  Procedure Name:
//      attachCrvSetup
//
//  Description:
//		Update the state of the option box UI to reflect the attach
//		option values.
//
//  Input Arguments:
//      parent               - Top level parent layout of the option box UI.
//                             Required so that UI object names can be 
//                             successfully resolved.
//
//		forceFactorySettings - Whether the option values should be set to
//                             default values.
//
//  Return Value:
//      None.
//
global proc attachCrvSetup( string $parent,
							int $forceFactorySettings,
							string $goToTool )
{
	//	Retrieve the option settings
	//
	setOptionVars($forceFactorySettings);
	attachCrvToolSetup( $forceFactorySettings, $goToTool );

	setParent $parent;

	//	Query the optionVar's and set the values into the controls.

	int $method = `optionVar -query attachCrvMethod`;
	float $bias = `optionVar -query attachCrvBlendBias`;
	int $insert = `optionVar -query attachCrvBlendInsert`;
	float $parameter = `optionVar -query attachCrvBlendParameter`;
	int $keep = `optionVar -query attachCrvKeepMultKnots`;
	int $keepOrig = `optionVar -query attachCrvKeepOriginal`;

	radioButtonGrp -e -select ($method+1) attachCrvMethodWidget;
	floatSliderGrp -e -v $bias attachCrvBlendBiasWidget;
	checkBoxGrp -e -v1 $insert attachCrvBlendInsertWidget;
	floatSliderGrp -e -v $parameter attachCrvBlendParameterWidget;
	radioButtonGrp -edit -select (2 - $keep) attachMultKnotBtn;
	checkBoxGrp -edit -value1 $keepOrig attachCrvKeepOriginalBox;

	if( "" != $goToTool ) { 
		checkBoxGrp -e -v1 `scriptCtx -q -euc $goToTool`
		  scriptToolExtraWidget;
		checkBoxGrp -e -v2 `scriptCtx -q -lac $goToTool`
		  scriptToolExtraWidget;
	}

	attachCrvVisibility $parent -1 -1;
}

//
//  Procedure Name:
//      attachCrvCallback
//
//  Description:
//		Update the option values with the current state of the option box UI.
//
//  Input Arguments:
//      parent - Top level parent layout of the option box UI.  Required so
//               that UI object names can be successfully resolved.
//
//		doIt   - Whether the command should execute.
//
//  Return Value:
//      None.
//
global proc attachCrvCallback( string $parent, int $doIt, string $goToTool )
{
	if( "" != $goToTool ) {
		optionVar -iv attachCurveEuc `scriptCtx -q -euc $goToTool`;
		optionVar -iv attachCurveLac `scriptCtx -q -lac $goToTool`;
	}

    setParent $parent;

	//	Set the optionVar's from the control values, and then
	//	perform the command.

    int $method = `radioButtonGrp -q -select attachCrvMethodWidget` - 1;
    float $bias = `floatSliderGrp -q -v attachCrvBlendBiasWidget`;
    int $insert = `checkBoxGrp -q -v1 attachCrvBlendInsertWidget`;
    float $parameter = `floatSliderGrp -q -v attachCrvBlendParameterWidget`;
	int $keep = 2 - `radioButtonGrp -query -select attachMultKnotBtn`;
	int $keepOrig = `checkBoxGrp -query -value1 attachCrvKeepOriginalBox`;

	optionVar -intValue attachCrvMethod $method;
	optionVar -floatValue attachCrvBlendBias $bias;
	optionVar -intValue attachCrvBlendInsert $insert;
	optionVar -floatValue attachCrvBlendParameter $parameter;
	optionVar -intValue attachCrvKeepMultKnots $keep;
	optionVar -intValue attachCrvKeepOriginal $keepOrig;
		
	if( 1 == $doIt ) {
		performAttachCrv( 0, $goToTool ); 
		string $tmpCmd = "performAttachCrv( 0, \"" + $goToTool + "\")";
		addToRecentCommandQueue $tmpCmd "Attach Curves";
	}
	else if( $doIt ) {
		setToolTo $goToTool;
	}
}

//
//  Procedure Name:
//      createAttachCrvUI
//
//  Description:
//		Fill the contents of the option box for attach command.
//
//  Input Arguments:
//      The name of the parent layout.
//
//  Return Value:
//      None.
//
proc createAttachCrvUI(string $parent, int $inTheTool, string $goToTool)
{
	setParent $parent;

	radioButtonGrp -label (uiRes("m_performAttachCrv.kAttachMethod")) 
		-nrb 2
		-label1 (uiRes("m_performAttachCrv.kConnect")) 
		-label2 (uiRes("m_performAttachCrv.kBlend")) 
        -on1 ("attachCrvVisibility " + $parent + " 0 -1" )
        -on2 ("attachCrvVisibility " + $parent + " 1 -1" )
		attachCrvMethodWidget;

	radioButtonGrp -label (uiRes("m_performAttachCrv.kMultipleKnots")) 
		-numberOfRadioButtons 2
		-label1 (uiRes("m_performAttachCrv.kKeep")) 
		-label2 (uiRes("m_performAttachCrv.kRemove")) 
		attachMultKnotBtn;

	floatSliderGrp -label (uiRes("m_performAttachCrv.kBlendBias")) 
		-min 0.0 -max 1.0
		attachCrvBlendBiasWidget;

	checkBoxGrp
		-ncb 1
		-label1 (uiRes("m_performAttachCrv.kInsertKnot")) 
		-on1 ("attachCrvVisibility " + $parent + " -1 1" )
		-of1 ("attachCrvVisibility " + $parent + " -1 0" )
		attachCrvBlendInsertWidget;

	floatSliderGrp -label (uiRes("m_performAttachCrv.kInsertParameter")) 
		-min 0.0 -max 1.0
		attachCrvBlendParameterWidget;

	checkBoxGrp
		-numberOfCheckBoxes 1 
		-label1 (uiRes("m_performAttachCrv.kKeepOriginals"))  
		attachCrvKeepOriginalBox;

	if( $inTheTool ) {
		separator;
		checkBoxGrp -ncb 2 -label (uiRes("m_performAttachCrv.kToolBehavior")) 
		  -label1 (uiRes("m_performAttachCrv.kExitOnCompletion")) 
		  -v1 off
		  -on1 ("scriptCtx -e -euc true " + $goToTool)
		  -of1 ("scriptCtx -e -euc false " + $goToTool)

		  -label2 (uiRes("m_performAttachCrv.kAutoCompletion")) 
		  -v2 on
		  -on2 ("scriptCtx -e -lac true " + $goToTool)
		  -of2 ("scriptCtx -e -lac false " + $goToTool)
		  scriptToolExtraWidget;
	}
}

//
//  Procedure Name:
//      attachOptions
//
//  Description:
//		Construct the option box UI.  Involves accessing the standard option
//		box and customizing the UI accordingly.
//
//  Input Arguments:
//      None.
//
//  Return Value:
//      None.
//
proc attachOptions( string $inTheTool, string $goToTool )
{
	//	Name of the command for this option box.
	//
	string $commandName = "attach";

	//	Build the option box actions.
	//
	string $callback = ($commandName + "CrvCallback");
	string $setup = ($commandName + "CrvSetup");

	//  The value returned is the name of the layout to be used as
	//	the parent for the option box UI.
	//
	global string $gOptionBoxActionToolItem;
	$gOptionBoxActionToolItem = "modelWithToolAttachCurve";
	global string $gOptionBoxActionToolItemCB;
	$gOptionBoxActionToolItemCB = "attachCrvToolScript 3";

	string $layout = getOptionBox();
	setParent $layout;
	
	//	Pass the command name to the option box.
	//
	//	Any default option box behavior based on the command name is set 
	//	up with this call.
	//
	setOptionBoxCommandName($commandName+"Curve");

	//	Activate the default UI template so that the layout of this 
	//	option box is consistent with the layout of the rest of the 
	//	application.
	//
	setUITemplate -pushTemplate DefaultTemplate;

	//	Turn on the wait cursor.
	//
	waitCursor -state 1;

	//	RECOMMENDATION:  Place the UI in a scroll layout.  If the 
	//	option box window is ever resized such that it's entire 
	//	contents is not visible then the scroll bars provided by the
	//	scroll layout will allow the user to access the hidden UI.
	//
	tabLayout -scr true -tv false;
	
	string $parent = `columnLayout -adjustableColumn 1`;

	//	Create the UI for the tab that is initially visible.
	//
	createAttachCrvUI($parent, $inTheTool, $goToTool);

	//	Turn off the wait cursor.
	//
	waitCursor -state 0;

	//	Deactivate the default UI template.
	//
	setUITemplate -popTemplate;

	//	Attach actions to those buttons that are applicable to the option
	//	box.  Note that the 'Close' button has a default action attached 
	//	to it that will hide the window.  If a a custom action is
	//	attached to the 'Close' button then be sure to call the 'hide the
	//	option box' procedure within the custom action so that the option
	//	box is hidden properly.

	//	'Attach' button.
	//
	string $applyBtn = getOptionBoxApplyBtn();
	if( $inTheTool ) {
	  button -edit -label (uiRes("m_performAttachCrv.kAttachTool")) 
		-command ($callback + " " + $parent + " 3 \"" + $goToTool + "\"" )
		$applyBtn;
	}
	else {
	  button -edit -label (uiRes("m_performAttachCrv.kAttach")) 
		-command ($callback + " " + $parent + " 1 \"" + $goToTool + "\"" )
		$applyBtn;
	}

	//	'Save' button.
	//
	string $saveBtn = getOptionBoxSaveBtn();
	button -edit 
		-command ($callback + " " + $parent + " 0 \"" +
				  $goToTool + "\"; hideOptionBox")
		$saveBtn;

	//	'Reset' button.
	//
	string $resetBtn = getOptionBoxResetBtn();
	button -edit 
		-command ($setup + " " + $parent + " 1 \"" + $goToTool + "\"")
		$resetBtn;

	//	Set the option box title.
	//
	if( $inTheTool ) {
		setOptionBoxTitle (uiRes("m_performAttachCrv.kAttachCurvesToolOptions"));
	} else {
		setOptionBoxTitle (uiRes("m_performAttachCrv.kAttachCurvesOptions"));
	}

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

	//	Set the current values of the option box.
	//
	eval ($setup + " " + $parent + " 0 \"" + $goToTool + "\"");
	
	//	Show the option box.
	//
	showOptionBox();
}

//
//  Procedure Name:
//      attachHelp
//
//  Description:
//		Returns a short description about the attach command.
//
//  Input Arguments:
//      None.
//
//  Return Value:
//      string.
//
proc string attachHelp()
{
	return 
	"  Command: Attach - joins two curves together\n" +
	"Selection: two curves or a parameter point on two curves.";	
}

//
//  Procedure Name:
//      assembleCmd
//
//  Description:
//		Construct the attach command that will apply the option box values.
//
//  Input Arguments:
//      None.
//
//  Return Value:
//      The attach command string.
//
proc string assembleCmd()
{
	setOptionVars(false);

	// get the global history flag value
	int $doHistory = `constructionHistory -q -tgl`;

	// is replace original on/off
	int $replaceOriginal = !`optionVar -q attachCrvKeepOriginal`;
	
	// attach related values
	int $keepMultKnots = `optionVar -query attachCrvKeepMultKnots`;

	int $method = `optionVar -query attachCrvMethod`;
	float $bias = `optionVar -query attachCrvBlendBias`;
	int $insert = `optionVar -query attachCrvBlendInsert`;
	float $parameter = `optionVar -query attachCrvBlendParameter`;

	// set up string for preset function call
	string $cmd = "doAttachCurveArgList 2 { ";

	$cmd = $cmd + "\"" + $doHistory + "\", ";
	$cmd = $cmd + "\"" + $replaceOriginal + "\", ";
	$cmd = $cmd + "\"" + $keepMultKnots + "\", ";
	$cmd = $cmd + "\"" + $method + "\", ";
	$cmd = $cmd + "\"" + $bias + "\", ";
	$cmd = $cmd + "\"" + $insert + "\", ";
	$cmd = $cmd + "\"" + $parameter + "\" }";

	return $cmd;
}

//
//  Procedure Name:
//      performAttachCrv
//
//  Description:
//		Perform the attach command using the corresponding 
//		option values.  This procedure will also show the option box
//		window if necessary as well as construct the command string
//		that will invoke the attach command with the current
//		option box values.
//
//  Input Arguments:
//      0 - Execute the command.
//      1 - Show the option box dialog.
//      2 - Return the command.
//      3 - Show the tool option box dialog.
//
//  Return Value:
//      The attach command string.
//
global proc string performAttachCrv( int $action, string $goToTool )
{
	int $inTheTool = false;
	if( 3 == $action ) {
		$action = 1;
		$inTheTool = true;
	}

	string $cmd = "";
	switch ($action) {
	  case 0:
		setOptionVars(false);
		$cmd = `assembleCmd`;
		eval($cmd);
		break;
	  case 1:
		attachOptions( $inTheTool, $goToTool );
		break;
	  case 2:
		setOptionVars(false);
		$cmd = `assembleCmd`;
		break;
	}
	return $cmd;
}