// Simple MEL script to provide a UI to some of the tools commonly used
//  during the UV editing process. The script provides a way to scala and
//  rotate by numerical amounts, rather than doing it interactively.
//  While a mechanism is provided for rotating, there is none for scaling
//  Date: 18 Dec 2006 Simon Beeching

// Title of pop-up window
window -title "UV Tools";

// variables used to retrieve the values of our sliders
float $RotVal;
float $ScaleVal;

// command string to be executed when the Rotate button is pressed
// (1) Query value of the rotation slider
// (2) Rotate by this amount around <0.5, 0.5>
string $RotCmd = "$RotVal = `floatSliderGrp -q -v RotSlideVal`; \
		     polyEditUV -pu 0.5 -pv 0.5 -a $RotVal ;";

// command string to be executed when the Scale button is pressed
// (1) Query value of the scale slider, AND divide by 100, since a scale value of 1 = 100%
// (2) Scale by this amount around <0.5, 0.5>
// NOTE: Negative values are allowed here. This has the effect of scaling, AND rotating by 180 degrees
string $ScaleCmd = "$ScaleVal = `floatSliderGrp -q -v ScaleSlideVal`/100.0; \
		     polyEditUV -pu 0.5 -pv 0.5 -su $ScaleVal -sv $ScaleVal;"; 

// the layout to be used for the window
columnLayout;

// Note the difference between the definition of the controls for scale and rotation
//  the fieldMinValue and fieldMaxValue fields define the min and max values of the field.
//  this means that you can specify a number that you can't select with the slider.
// After a value has been entered that is outside the default range for the slider, the slider's
// range changes. By default, you can scale from 0-100%. By entering a value in the box, you may
// scale between -100 and +500 %
// Define the slider and button to be used for Scaling
 	floatSliderButtonGrp  -field true		// ????
 		-buttonLabel "SCALE %"		  	// Text that is on button
		-buttonCommand $ScaleCmd		// what to do when button is pressed
		-minValue 0				// default min of slider
		-fieldMinValue -100			// min value that can be entered in numeric box
		-maxValue 100				// default max value of slider
		-fieldMaxValue 500			// max value that can be entered in numeric box
		-value 0				// value of slider at start-up
 		-columnWidth 1 40			// width of column1 = 40 pixels
		ScaleSlideVal;			// name of slider

// Define the slider and button to be used for Rotating
 	floatSliderButtonGrp -field true
 		-buttonLabel "ROTATE"
		-buttonCommand $RotCmd
              -minValue 0
              -maxValue 360
 		-columnWidth 1 40 
		RotSlideVal;
showWindow();