com.alee.extended.progress.WebStepProgress Maven / Gradle / Ivy
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/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see
* Progress display is based on two main things: selected step and progress value.
* Selected step determines which step from the list of added steps is currently selected.
* Progress determines the progress value acomplished to reach next step.
*
* @author Mikle Garin
* @see How to use WebStepProgress
*/
public class WebStepProgress extends JComponent implements SwingConstants, ShapeProvider, SizeMethods
{
/**
* todo 1. Implement ShapeCache
*/
/**
* Style and other settings.
*/
protected Insets margin = WebStepProgressStyle.margin;
protected int shadeWidth = WebStepProgressStyle.shadeWidth;
protected int stepControlWidth = WebStepProgressStyle.stepControlWidth;
protected int stepControlRound = WebStepProgressStyle.stepControlRound;
protected int stepControlFillWidth = WebStepProgressStyle.stepControlFillWidth;
protected int stepControlFillRound = WebStepProgressStyle.stepControlFillRound;
protected int pathWidth = WebStepProgressStyle.pathWidth;
protected int pathFillWidth = WebStepProgressStyle.pathFillWidth;
protected Color progressColor = WebStepProgressStyle.progressColor;
protected Color disabledProgressColor = WebStepProgressStyle.disabledProgressColor;
protected boolean displayLabels = WebStepProgressStyle.displayLabels;
protected int orientation = WebStepProgressStyle.orientation;
protected int labelsPosition = WebStepProgressStyle.labelsPosition;
protected int spacing = WebStepProgressStyle.spacing;
protected int stepsSpacing = WebStepProgressStyle.stepsSpacing;
protected boolean selectionEnabled = WebStepProgressStyle.selectionEnabled;
protected StepSelectionMode selectionMode = WebStepProgressStyle.selectionMode;
/**
* Progress data.
*/
protected final List steps = new ArrayList ();
protected int selectedStep = 0;
protected float progress = 0f;
/**
* Runtime variables.
*/
protected boolean selecting = false;
protected int sideWidth = 0;
protected Shape borderShape;
protected LinearGradientPaint fillPaint;
protected Shape fillShape;
/**
* Constructs new WebStepProgress with three default steps.
*/
public WebStepProgress ()
{
this ( Collections.EMPTY_LIST );
}
/**
* Constructs new WebStepProgress with the specified amount of default steps.
*
* @param amount amount of default steps
*/
public WebStepProgress ( final int amount )
{
this ( createDefaultData ( amount ) );
}
/**
* Constructs new WebStepProgress with steps using specified names in labels.
*
* @param names label names
*/
public WebStepProgress ( final String... names )
{
this ( createSteps ( names ) );
}
/**
* Constructs new WebStepProgress with steps using specified labels.
*
* @param labels step labels
*/
public WebStepProgress ( final Component... labels )
{
this ( createSteps ( labels ) );
}
/**
* Constructs new WebStepProgress with the specified steps.
*
* @param steps steps
*/
public WebStepProgress ( final StepData... steps )
{
this ( CollectionUtils.asList ( steps ) );
}
/**
* Constructs new WebStepProgress with the specified steps.
*
* @param steps steps
*/
public WebStepProgress ( final List steps )
{
super ();
// Initial data
setSteps ( steps );
// Custom layout to place labels properly
setLayout ( new ProgressLayout () );
// Step updater and selector
final ProgressMouseAdapter pma = new ProgressMouseAdapter ();
addMouseListener ( pma );
addMouseMotionListener ( pma );
// Shapes cache updater
addComponentListener ( new ComponentAdapter ()
{
@Override
public void componentResized ( final ComponentEvent e )
{
updateShapes ();
}
} );
}
/**
* Returns sides margin.
*
* @return sides margin
*/
public Insets getMargin ()
{
return margin;
}
/**
* Sets sides margin.
*
* @param margin new sides margin
*/
public void setMargin ( final Insets margin )
{
this.margin = margin;
revalidate ();
}
/**
* Sets sides margin.
*
* @param top top side margin
* @param left left side margin
* @param bottom bottom side margin
* @param right right side margin
*/
public void setMargin ( final int top, final int left, final int bottom, final int right )
{
setMargin ( new Insets ( top, left, bottom, right ) );
}
/**
* Sets sides margin.
*
* @param spacing sides margin
*/
public void setMargin ( final int spacing )
{
setMargin ( spacing, spacing, spacing, spacing );
}
/**
* Returns decoration shade width.
*
* @return decoration shade width
*/
public int getShadeWidth ()
{
return shadeWidth;
}
/**
* Sets decoration shade width.
*
* @param shadeWidth decoration shade width
*/
public void setShadeWidth ( final int shadeWidth )
{
this.shadeWidth = shadeWidth;
revalidate ();
}
/**
* Returns step control width.
*
* @return step control width
*/
public int getStepControlWidth ()
{
return stepControlWidth;
}
/**
* Sets step control width.
*
* @param width step control width
*/
public void setStepControlWidth ( final int width )
{
this.stepControlWidth = width;
revalidate ();
}
/**
* Returns step control round.
*
* @return step control round
*/
public int getStepControlRound ()
{
return stepControlRound;
}
/**
* Sets step control round.
*
* @param round step control round
*/
public void setStepControlRound ( final int round )
{
this.stepControlRound = round;
repaint ();
}
/**
* Returns step control fill width.
*
* @return step control fill width
*/
public int getStepControlFillWidth ()
{
return stepControlFillWidth;
}
/**
* Sets step control fill width.
*
* @param width new step control fill width
*/
public void setStepControlFillWidth ( final int width )
{
this.stepControlFillWidth = width;
revalidate ();
}
/**
* Returns step control fill round.
*
* @return step control fill round
*/
public int getStepControlFillRound ()
{
return stepControlFillRound;
}
/**
* Sets step control fill round.
*
* @param round new step control fill round
*/
public void setStepControlFillRound ( final int round )
{
this.stepControlFillRound = round;
repaint ();
}
/**
* Returns path width.
*
* @return path width
*/
public int getPathWidth ()
{
return pathWidth;
}
/**
* Sets path width.
*
* @param width new path width
*/
public void setPathWidth ( final int width )
{
this.pathWidth = width;
revalidate ();
}
/**
* Returns path fill width.
*
* @return path fill width
*/
public int getPathFillWidth ()
{
return pathFillWidth;
}
/**
* Sets path fill width.
*
* @param width new path fill width
*/
public void setPathFillWidth ( final int width )
{
this.pathFillWidth = width;
revalidate ();
}
/**
* Returns progress fill color.
*
* @return progress fill color
*/
public Color getProgressColor ()
{
return progressColor;
}
/**
* Sets progress fill color.
*
* @param color new progress fill color
*/
public void setProgressColor ( final Color color )
{
this.progressColor = color;
repaint ();
}
/**
* Returns disabled progress fill color.
*
* @return disabled progress fill color
*/
public Color getDisabledProgressColor ()
{
return disabledProgressColor;
}
/**
* Sets disabled progress fill color.
*
* @param color new disabled progress fill color
*/
public void setDisabledProgressColor ( final Color color )
{
this.disabledProgressColor = color;
repaint ();
}
/**
* Returns whether step labels should be displayed or not.
*
* @return true if step labels should be displayed, false otherwise
*/
public boolean isDisplayLabels ()
{
return displayLabels;
}
/**
* Sets whether step labels should be displayed or not.
*
* @param displayLabels whether step labels should be displayed or not
*/
public void setDisplayLabels ( final boolean displayLabels )
{
if ( this.displayLabels != displayLabels )
{
this.displayLabels = displayLabels;
if ( displayLabels )
{
for ( final StepData step : steps )
{
if ( step.getLabel () != null )
{
add ( step.getLabel () );
}
}
}
else
{
for ( final StepData step : steps )
{
if ( step.getLabel () != null )
{
remove ( step.getLabel () );
}
}
}
revalidate ();
}
}
/**
* Returns progress orientation.
*
* @return progress orientation
*/
public int getOrientation ()
{
return orientation;
}
/**
* Sets progress orientation.
*
* @param orientation new progress orientation
*/
public void setOrientation ( final int orientation )
{
this.orientation = orientation;
revalidate ();
}
/**
* Returns labels position relative to progress.
*
* @return labels position relative to progress
*/
public int getLabelsPosition ()
{
return labelsPosition;
}
/**
* Sets labels position relative to progress.
*
* @param position new labels position relative to progress
*/
public void setLabelsPosition ( final int position )
{
this.labelsPosition = position;
revalidate ();
}
/**
* Returns spacing between labels and progress.
*
* @return spacing between labels and progress
*/
public int getSpacing ()
{
return spacing;
}
/**
* Sets spacing between labels and progress.
*
* @param spacing new spacing between labels and progress
*/
public void setSpacing ( final int spacing )
{
this.spacing = spacing;
revalidate ();
}
/**
* Returns spacing between step labels.
*
* @return spacing between step labels
*/
public int getStepsSpacing ()
{
return stepsSpacing;
}
/**
* Sets spacing between step labels.
*
* @param spacing new spacing between step labels
*/
public void setStepsSpacing ( final int spacing )
{
this.stepsSpacing = spacing;
revalidate ();
}
/**
* Returns whether progress selection is allowed or not.
*
* @return true if progress selection is allowed, false otherwise
*/
public boolean isSelectionEnabled ()
{
return selectionEnabled;
}
/**
* Sets whether progress selection is allowed or not.
*
* @param enabled whether progress selection is allowed or not
*/
public void setSelectionEnabled ( final boolean enabled )
{
this.selectionEnabled = enabled;
}
/**
* Returns progress selection mode.
*
* @return progress selection mode
* @see com.alee.extended.progress.StepSelectionMode
*/
public StepSelectionMode getSelectionMode ()
{
return selectionMode;
}
/**
* Sets progress selection mode.
*
* @param mode new progress selection mode
* @see com.alee.extended.progress.StepSelectionMode
*/
public void setSelectionMode ( final StepSelectionMode mode )
{
this.selectionMode = mode;
}
/**
* Returns amount of steps.
*
* @return amount of steps
*/
public int getStepsAmount ()
{
return steps.size ();
}
/**
* Returns list of existing steps.
*
* @return list of existing steps
*/
public List getSteps ()
{
return CollectionUtils.copy ( steps );
}
/**
* Returns step at the specified index.
*
* @param index step index
* @return step at the specified index
*/
public StepData getStep ( final int index )
{
return steps.get ( index );
}
/**
* Sets new steps with the specified names.
*
* @param names new steps names
*/
public void setSteps ( final String... names )
{
setSteps ( createSteps ( names ) );
}
/**
* Sets steps with the specified label components.
*
* @param labels new steps label components
*/
public void setSteps ( final Component... labels )
{
setSteps ( createSteps ( labels ) );
}
/**
* Sets new steps.
*
* @param steps new steps
*/
public void setSteps ( final List steps )
{
clearSteps ();
addSteps ( steps );
}
/**
* Adds new steps with the specified names.
*
* @param steps new steps names
*/
public void addSteps ( final String... steps )
{
if ( steps != null )
{
addSteps ( createSteps ( steps ) );
}
}
/**
* Adds steps with the specified label components.
*
* @param steps new steps label components
*/
public void addSteps ( final Component... steps )
{
if ( steps != null )
{
addSteps ( createSteps ( steps ) );
}
}
/**
* Adds new steps.
*
* @param steps new steps
*/
public void addSteps ( final List steps )
{
if ( steps != null )
{
this.steps.addAll ( steps );
if ( displayLabels )
{
for ( final StepData step : steps )
{
if ( step.getLabel () != null )
{
add ( step.getLabel () );
}
}
revalidate ();
}
validateSelectedStep ();
}
}
/**
* Removes step under the specified index.
*
* @param index step index
*/
public void removeStep ( final int index )
{
removeStep ( getStep ( index ) );
}
/**
* Removes specified step.
*
* @param stepData step to remove
*/
public void removeStep ( final StepData stepData )
{
clearStep ( stepData );
revalidate ();
}
/**
* Sets specified amount of new default steps with empty label components.
*
* @param amount default steps amount
*/
public void setSteps ( final int amount )
{
clearSteps ();
addSteps ( createDefaultData ( amount ) );
revalidate ();
}
/**
* Clears steps.
*/
protected void clearSteps ()
{
if ( steps.size () > 0 )
{
for ( final StepData step : CollectionUtils.copy ( steps ) )
{
clearStep ( step );
}
}
}
/**
* Clears specified step.
*
* @param step step to clear
*/
protected void clearStep ( final StepData step )
{
if ( displayLabels )
{
final Component label = step.getLabel ();
if ( label != null )
{
label.getParent ().remove ( label );
}
}
this.steps.remove ( step );
validateSelectedStep ();
}
/**
* Returns selected step.
*
* @return selected step
*/
public StepData getSelectedStep ()
{
return steps.get ( getSelectedStepIndex () );
}
/**
* Sets selected step.
*
* @param step new selected step
*/
public void setSelectedStep ( final StepData step )
{
setSelectedStepIndex ( steps.indexOf ( step ) );
}
/**
* Returns selected step index.
*
* @return selected step index
*/
public int getSelectedStepIndex ()
{
return selectedStep;
}
/**
* Sets selected step index.
*
* @param index new selected step index
*/
public void setSelectedStepIndex ( int index )
{
// Ignore call if this step is already selected
if ( index == this.selectedStep )
{
return;
}
// Check step correctness
if ( index < 0 )
{
index = 0;
}
if ( index >= steps.size () )
{
index = steps.size () - 1;
}
// Update step
this.selectedStep = index;
this.progress = 0f;
updateFillShape ();
}
/**
* Revalidates selected step.
* In case selected step doesn't exist selection will be corrected.
*/
protected void validateSelectedStep ()
{
if ( selectedStep >= getStepsAmount () )
{
setSelectedStepIndex ( getStepsAmount () - 1 );
}
if ( selectedStep < 0 && getStepsAmount () > 0 )
{
setSelectedStepIndex ( 0 );
}
}
/**
* Returns progress value.
* This is only progress between currently selected and next steps.
* This value is always between 0.0 and 1.0.
*
* @return progress value
*/
public float getProgress ()
{
return progress;
}
/**
* Sets progress value.
* This is only progress between currently selected and next steps.
* Value itself should be always between 0.0 and 1.0 but you can specify lesser or greater value to affect selected steps.
* For instance - if you provide 1.5 this will select next available step after currently selected and set progress to 0.5.
*
* @param progress new progress value
*/
public void setProgress ( float progress )
{
// Check progress correctness
if ( progress == this.progress )
{
return;
}
if ( progress < 0f )
{
final float p = Math.abs ( progress );
final int s = selectedStep - Math.round ( p - p % 1 ) - 1;
progress = s < 0 ? 0 : 1 - p % 1;
setSelectedStepIndex ( s );
}
else if ( progress >= 1f )
{
final int s = selectedStep + Math.round ( progress - progress % 1 );
progress = s >= steps.size () ? 0 : progress % 1;
setSelectedStepIndex ( s );
}
// Update progress
this.progress = progress;
updateFillShape ();
}
/**
* Returns total progress.
* This method combines currently selected step index and progress and returns total progress.
*
* @return total progress
*/
public float getTotalProgress ()
{
return ( selectedStep + progress ) / ( steps.size () - 1 );
}
/**
* Returns total progress for the specified point on progress component.
*
* @param point point to retrive total progress for
* @return total progress for the specified point on progress component
*/
public float getTotalProgressAt ( final Point point )
{
final boolean hor = orientation == HORIZONTAL;
final Point p1 = getPathStart ();
final Point p2 = getPathEnd ();
final float pw = getPathLength ();
if ( hor )
{
if ( getComponentOrientation ().isLeftToRight () )
{
if ( point.x < p1.x )
{
return 0f;
}
else if ( point.x > p2.x )
{
return steps.size () - 1;
}
else
{
return ( steps.size () - 1 ) * ( point.x - p1.x ) / pw;
}
}
else
{
if ( point.x > p1.x )
{
return 0f;
}
else if ( point.x < p2.x )
{
return steps.size () - 1;
}
else
{
return ( steps.size () - 1 ) * ( pw - ( point.x - p2.x ) ) / pw;
}
}
}
else
{
if ( point.y < p1.y )
{
return 0f;
}
else if ( point.y > p2.y )
{
return steps.size () - 1;
}
else
{
return ( steps.size () - 1 ) * ( point.y - p1.y ) / pw;
}
}
}
/**
* Sets total progress.
* Progress value must be between 0.0 and 1.0.
* It will set both - selected step and step progress values.
*
* @param progress total progress
*/
public void setTotalProgress ( float progress )
{
progress = ( steps.size () - 1 ) * progress;
setSelectedStepIndex ( Math.round ( progress - progress % 1 ) );
setProgress ( progress % 1 );
}
@Override
protected void paintComponent ( final Graphics g )
{
super.paintComponent ( g );
final Graphics2D g2d = ( Graphics2D ) g;
final Object aa = GraphicsUtils.setupAntialias ( g2d );
// Border and background
LafUtils.drawCustomWebBorder ( g2d, this, getBorderShape (), new Color ( 210, 210, 210 ), shadeWidth, true, true );
// Progress line
g2d.setPaint ( getFillPaint () );
g2d.fill ( getProgressShape () );
GraphicsUtils.restoreAntialias ( g2d, aa );
}
@Override
public Shape provideShape ()
{
return getBorderShape ();
}
/**
* Updates border shape.
*/
protected void updateBorderShape ()
{
borderShape = null;
repaint ();
}
/**
* Updates fill shape.
*/
protected void updateFillShape ()
{
fillPaint = null;
fillShape = null;
repaint ();
}
/**
* Updates all shapes.
*/
protected void updateShapes ()
{
borderShape = null;
fillPaint = null;
fillShape = null;
repaint ();
}
/**
* Returns border shape.
* If shape is null it will be created.
*
* @return border shape
*/
protected Shape getBorderShape ()
{
if ( borderShape == null )
{
borderShape = createBorderShape ();
}
return borderShape;
}
/**
* Creates and returns border shape.
*
* @return newly created border shape
*/
protected Shape createBorderShape ()
{
final Area border = new Area ( getPathShape () );
for ( int i = 0; i < steps.size (); i++ )
{
border.add ( new Area ( getStepBorderShape ( i ) ) );
}
return border;
}
/**
* Creates and returns step border shape.
*
* @param step step index
* @return newly created step border shape
*/
protected Shape getStepBorderShape ( final int step )
{
final Point center = getStepCenter ( step );
if ( stepControlRound * 2 >= stepControlWidth )
{
return new Ellipse2D.Double ( center.x - stepControlWidth / 2, center.y - stepControlWidth / 2, stepControlWidth,
stepControlWidth );
}
else
{
return new RoundRectangle2D.Double ( center.x - stepControlWidth / 2, center.y - stepControlWidth / 2, stepControlWidth,
stepControlWidth, stepControlRound * 2, stepControlRound * 2 );
}
}
/**
* Returns fill paint.
* If paint is null it will be created.
*
* @return fill paint
*/
protected LinearGradientPaint getFillPaint ()
{
if ( fillPaint == null )
{
fillPaint = createFillPaint ();
}
return fillPaint;
}
/**
* Creates and returns fill paint.
*
* @return newly created fill paint
*/
protected LinearGradientPaint createFillPaint ()
{
final Point p1 = getPathStart ();
final float tss = selectedStep + progress;
final int midSteps = steps.size () - 1;
final int sw = midSteps > 0 ? getPathLength () / midSteps : 0;
final float pw = stepControlFillWidth * 1.5f + sw * tss;
final Color color = isEnabled () ? progressColor : disabledProgressColor;
if ( orientation == HORIZONTAL )
{
final boolean ltr = getComponentOrientation ().isLeftToRight ();
final float px = ltr ? ( p1.x - stepControlFillWidth / 2 ) : ( p1.x + stepControlFillWidth / 2 - pw );
final float[] fractions = ltr ? new float[]{ 0f, ( stepControlFillWidth + sw * tss ) / pw, 1f } :
new float[]{ 0f, 1 - ( stepControlFillWidth + sw * tss ) / pw, 1f };
final Color[] colors =
ltr ? new Color[]{ color, color, StyleConstants.transparent } : new Color[]{ StyleConstants.transparent, color, color };
return new LinearGradientPaint ( px, 0, px + pw, 0, fractions, colors );
}
else
{
final float py = p1.y - stepControlFillWidth / 2;
return new LinearGradientPaint ( 0, py, 0, py + pw, new float[]{ 0f, ( stepControlFillWidth + sw * tss ) / pw, 1f },
new Color[]{ color, color, StyleConstants.transparent } );
}
}
/**
* Returns progress shape.
* If shape is null it will be created.
*
* @return progress shape
*/
protected Shape getProgressShape ()
{
if ( fillShape == null )
{
fillShape = createFillShape ();
}
return fillShape;
}
/**
* Creates and returns progress shape.
*
* @return newly created progress shape
*/
protected Shape createFillShape ()
{
final Area border = new Area ( getPathFillShape () );
for ( int i = 0; i < steps.size (); i++ )
{
border.add ( new Area ( getStepFillShape ( i ) ) );
}
return border;
}
/**
* Creates and returns step fill shape.
*
* @param step step index
* @return newly created step fill shape
*/
protected Shape getStepFillShape ( final int step )
{
final Point center = getStepCenter ( step );
if ( stepControlFillRound * 2 >= stepControlFillWidth )
{
return new Ellipse2D.Double ( center.x - stepControlFillWidth / 2, center.y - stepControlFillWidth / 2, stepControlFillWidth,
stepControlFillWidth );
}
else
{
return new RoundRectangle2D.Double ( center.x - stepControlFillWidth / 2, center.y - stepControlFillWidth / 2,
stepControlFillWidth, stepControlFillWidth, stepControlFillRound * 2, stepControlFillRound * 2 );
}
}
/**
* Creates and returns path shape.
*
* @return newly created path shape
*/
protected Shape getPathShape ()
{
final Point p1 = getPathStart ();
final Point p2 = getPathEnd ();
if ( orientation == HORIZONTAL )
{
final boolean ltr = getComponentOrientation ().isLeftToRight ();
return new Rectangle2D.Double ( ltr ? p1.x : p2.x, p1.y - pathWidth / 2f, ltr ? ( p2.x - p1.x ) : ( p1.x - p2.x ), pathWidth );
}
else
{
return new Rectangle2D.Double ( p1.x - pathWidth / 2f, p1.y, pathWidth, p2.y - p1.y );
}
}
/**
* Creates and returns path fill shape.
*
* @return newly created path fill shape
*/
protected Shape getPathFillShape ()
{
final Point p1 = getPathStart ();
final Point p2 = getPathEnd ();
if ( orientation == HORIZONTAL )
{
final boolean ltr = getComponentOrientation ().isLeftToRight ();
return new Rectangle2D.Double ( ltr ? p1.x : p2.x, p1.y + 0.5f - pathFillWidth / 2f, ltr ? ( p2.x - p1.x ) : ( p1.x - p2.x ),
pathFillWidth );
}
else
{
return new Rectangle2D.Double ( p1.x + 0.5f - pathFillWidth / 2f, p1.y, pathFillWidth, p2.y - p1.y );
}
}
/**
* Returns path start point.
*
* @return path start point
*/
protected Point getPathStart ()
{
return getStepCenter ( 0 );
}
/**
* Returns path end point.
*
* @return path end point
*/
protected Point getPathEnd ()
{
return getStepCenter ( steps.size () - 1 );
}
/**
* Returns step center point.
*
* @param step step index
* @return step center point
*/
protected Point getStepCenter ( final int step )
{
final Dimension max = getActualLayout ().getMaximumComponentSize ();
final boolean ltr = getComponentOrientation ().isLeftToRight ();
final int midSteps = steps.size () - 1;
if ( orientation == HORIZONTAL )
{
final int pathPart = midSteps > 0 ? getPathLength () * ( ltr ? step : ( midSteps - step ) ) / midSteps : 0;
final int x = margin.left + sideWidth + pathPart;
final int wh = getHeight () - margin.top - margin.bottom;
final int sh = max.height + ( max.height > 0 ? spacing : 0 );
final int ch = sh + stepControlWidth + shadeWidth * 2;
final boolean lead = labelsPosition == LEADING;
final int y = margin.top + wh / 2 - ch / 2 + ( lead ? sh : 0 ) + shadeWidth + stepControlWidth / 2;
return new Point ( x, y );
}
else
{
final int pathPart = midSteps > 0 ? getPathLength () * step / midSteps : 0;
final int y = margin.top + sideWidth + pathPart;
final int ww = getWidth () - margin.left - margin.right;
final int sw = max.width + ( max.width > 0 ? spacing : 0 );
final int cw = sw + stepControlWidth + shadeWidth * 2;
final boolean lead = ltr ? labelsPosition == LEADING : labelsPosition == TRAILING;
final int x = margin.left + ww / 2 - cw / 2 + ( lead ? sw : 0 ) + shadeWidth + stepControlWidth / 2;
return new Point ( x, y );
}
}
/**
* Returns path length.
*
* @return path length
*/
protected int getPathLength ()
{
return orientation == HORIZONTAL ? getWidth () - sideWidth * 2 - margin.left - margin.right - 1 :
getHeight () - sideWidth * 2 - margin.top - margin.bottom - 1;
}
/**
* Returns step shape index at the specified point or -1 if none found.
*
* @param point point to retrive shape index for
* @return step shape index at the specified point or -1 if none found
*/
public int getStepShapeIndexAt ( final Point point )
{
for ( int i = 0; i < steps.size (); i++ )
{
if ( getStepBorderShape ( i ).contains ( point ) )
{
return i;
}
}
return -1;
}
@Override
public int getPreferredWidth ()
{
return SizeUtils.getPreferredWidth ( this );
}
@Override
public WebStepProgress setPreferredWidth ( final int preferredWidth )
{
return SizeUtils.setPreferredWidth ( this, preferredWidth );
}
@Override
public int getPreferredHeight ()
{
return SizeUtils.getPreferredHeight ( this );
}
@Override
public WebStepProgress setPreferredHeight ( final int preferredHeight )
{
return SizeUtils.setPreferredHeight ( this, preferredHeight );
}
@Override
public int getMinimumWidth ()
{
return SizeUtils.getMinimumWidth ( this );
}
@Override
public WebStepProgress setMinimumWidth ( final int minimumWidth )
{
return SizeUtils.setMinimumWidth ( this, minimumWidth );
}
@Override
public int getMinimumHeight ()
{
return SizeUtils.getMinimumHeight ( this );
}
@Override
public WebStepProgress setMinimumHeight ( final int minimumHeight )
{
return SizeUtils.setMinimumHeight ( this, minimumHeight );
}
@Override
public int getMaximumWidth ()
{
return SizeUtils.getMaximumWidth ( this );
}
@Override
public WebStepProgress setMaximumWidth ( final int maximumWidth )
{
return SizeUtils.setMaximumWidth ( this, maximumWidth );
}
@Override
public int getMaximumHeight ()
{
return SizeUtils.getMaximumHeight ( this );
}
@Override
public WebStepProgress setMaximumHeight ( final int maximumHeight )
{
return SizeUtils.setMaximumHeight ( this, maximumHeight );
}
@Override
public Dimension getPreferredSize ()
{
return SizeUtils.getPreferredSize ( this, super.getPreferredSize () );
}
@Override
public WebStepProgress setPreferredSize ( final int width, final int height )
{
return SizeUtils.setPreferredSize ( this, width, height );
}
/**
* Custom mouse adapter that handles steps and progress changes.
*/
protected class ProgressMouseAdapter extends MouseAdapter
{
@Override
public void mousePressed ( final MouseEvent e )
{
if ( isEnabled () && isSelectionEnabled () && SwingUtils.isLeftMouseButton ( e ) )
{
selecting = true;
updateProgress ( e.getPoint () );
}
}
@Override
public void mouseDragged ( final MouseEvent e )
{
if ( selecting && SwingUtils.isLeftMouseButton ( e ) )
{
updateProgress ( e.getPoint () );
}
}
/**
* Updates current progress.
*
* @param p mouse event location
*/
protected void updateProgress ( final Point p )
{
final float tp = getTotalProgressAt ( p );
switch ( selectionMode )
{
case step:
{
setSelectedStepIndex ( Math.round ( tp ) );
}
break;
case progress:
{
setSelectedStepIndex ( Math.round ( tp - tp % 1 ) );
setProgress ( tp % 1 );
}
break;
}
}
@Override
public void mouseReleased ( final MouseEvent e )
{
if ( selecting && SwingUtils.isLeftMouseButton ( e ) )
{
selecting = false;
}
}
}
/**
* Returns actual component layout.
*
* @return actual component layout
*/
public ProgressLayout getActualLayout ()
{
return ( ProgressLayout ) getLayout ();
}
/**
* Custom WebStepProgress layout that places progress labels properly.
* It also performs component's preferred size calculations.
*/
protected class ProgressLayout extends AbstractLayoutManager
{
@Override
public void layoutContainer ( final Container parent )
{
final boolean ltr = getComponentOrientation ().isLeftToRight ();
for ( int i = 0; i < steps.size (); i++ )
{
final Component label = getStep ( i ).getLabel ();
if ( label != null )
{
final Point sc = getStepCenter ( i );
final Dimension ps = label.getPreferredSize ();
if ( orientation == HORIZONTAL )
{
final int x = sc.x - ps.width / 2;
if ( labelsPosition == TOP || labelsPosition == LEADING )
{
final int y = sc.y - stepControlWidth / 2 - shadeWidth - spacing - ps.height;
label.setBounds ( x, y, ps.width, ps.height );
}
else
{
final int y = sc.y + stepControlWidth / 2 + shadeWidth + spacing;
label.setBounds ( x, y, ps.width, ps.height );
}
}
else
{
final int y = sc.y - ps.height / 2;
if ( labelsPosition == LEFT || ltr && labelsPosition == LEADING || !ltr && labelsPosition == TRAILING )
{
final int x = sc.x - stepControlWidth / 2 - shadeWidth - spacing - ps.width;
label.setBounds ( x, y, ps.width, ps.height );
}
else
{
final int x = sc.x + stepControlWidth / 2 + shadeWidth + spacing;
label.setBounds ( x, y, ps.width, ps.height );
}
}
}
}
}
@Override
public Dimension preferredLayoutSize ( final Container parent )
{
final Dimension max = getMaximumComponentSize ();
final Dimension maxSide = getMaximumSideComponentSize ();
final int midSteps = steps.size () - 1;
final Dimension ps;
if ( orientation == HORIZONTAL )
{
// Determine preferred side width
sideWidth = Math.max ( maxSide.width / 2, stepControlWidth / 2 + shadeWidth );
// Determine preferred center width
int maxSpacing = 0;
for ( int i = 0; i < midSteps; i++ )
{
final Component label1 = steps.get ( i ).getLabel ();
final Dimension ps1 = label1 != null ? label1.getPreferredSize () : new Dimension ( 0, 0 );
final Component label2 = steps.get ( i + 1 ).getLabel ();
final Dimension ps2 = label2 != null ? label2.getPreferredSize () : new Dimension ( 0, 0 );
maxSpacing = Math.max ( maxSpacing, ps1.width / 2 + ps2.width / 2 );
}
final int w = ( Math.max ( shadeWidth * 2 + stepControlWidth, maxSpacing ) + stepsSpacing ) * midSteps;
// Determine preferred height
final int h = shadeWidth * 2 + stepControlWidth + max.height + ( max.height > 0 ? spacing : 0 );
// Calculating preferred size
ps = new Dimension ( margin.left + w + sideWidth * 2 + margin.right + 1, margin.top + h + margin.bottom + 1 );
}
else
{
// Determine preferred side width
sideWidth = Math.max ( maxSide.height / 2, stepControlWidth / 2 + shadeWidth );
// Determine preferred center height
int maxSpacing = 0;
for ( int i = 0; i < midSteps; i++ )
{
final Component label1 = steps.get ( i ).getLabel ();
final Dimension ps1 = label1 != null ? label1.getPreferredSize () : new Dimension ( 0, 0 );
final Component label2 = steps.get ( i + 1 ).getLabel ();
final Dimension ps2 = label2 != null ? label2.getPreferredSize () : new Dimension ( 0, 0 );
maxSpacing = Math.max ( maxSpacing, ps1.height / 2 + ps2.height / 2 );
}
final int h = ( Math.max ( shadeWidth * 2 + stepControlWidth, maxSpacing ) + midSteps ) * midSteps;
// Determine preferred width
final int w = shadeWidth * 2 + stepControlWidth + max.width + ( max.width > 0 ? spacing : 0 );
// Calculating preferred size
ps = new Dimension ( margin.left + w + margin.right + 1, margin.top + h + sideWidth * 2 + margin.bottom + 1 );
}
return ps;
}
/**
* Returns maximum component size.
* Used to determine labels area size.
*
* @return maximum component size
*/
public Dimension getMaximumComponentSize ()
{
Dimension max = new Dimension ( 0, 0 );
if ( displayLabels && steps.size () > 0 )
{
for ( final StepData step : steps )
{
if ( step.getLabel () != null )
{
max = SwingUtils.max ( max, step.getLabel ().getPreferredSize () );
}
}
}
return max;
}
/**
* Returns maximum size of side components.
* It is used to determine progress sides spacing.
*
* @return maximum size of side components
*/
public Dimension getMaximumSideComponentSize ()
{
if ( displayLabels && steps.size () > 0 )
{
final Component l1 = steps.get ( 0 ).getLabel ();
final Component l2 = steps.get ( steps.size () - 1 ).getLabel ();
if ( l1 != null && l2 != null )
{
return SwingUtils.max ( l1.getPreferredSize (), l2.getPreferredSize () );
}
else if ( l1 != null )
{
return l1.getPreferredSize ();
}
else if ( l2 != null )
{
return l2.getPreferredSize ();
}
else
{
return new Dimension ( 0, 0 );
}
}
else
{
return new Dimension ( 0, 0 );
}
}
}
/**
* Returns steps with WebLabel components using the specified step names.
*
* @param names step names
* @return steps with WebLabel components using the specified step names
*/
public static List createSteps ( final String... names )
{
final List s = new ArrayList ();
for ( final String step : names )
{
s.add ( new StepData ( step ) );
}
return s;
}
/**
* Returns steps with the specified label components.
*
* @param labels label components
* @return steps with the specified label components
*/
public static List createSteps ( final Component... labels )
{
final List s = new ArrayList ();
for ( final Component step : labels )
{
s.add ( new StepData ( step ) );
}
return s;
}
/**
* Returns specified amount of default steps with empty label components.
*
* @param amount steps amount
* @return specified amount of default steps with empty label components
*/
public static List createDefaultData ( final int amount )
{
final List s = new ArrayList ( amount );
for ( int i = 0; i < amount; i++ )
{
s.add ( new StepData () );
}
return s;
}
}