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topcat: add GUI for explicit plot geometry setting
Each plot2 window Axes control now has a new Size tab to allow the user to explicitly set some or all of plot image dimensions and insets in pixels.
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topcat/src/main/uk/ac/starlink/topcat/plot2/PlotPositionSpecifier.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| package uk.ac.starlink.topcat.plot2; | ||
|
|
||
| import java.awt.Dimension; | ||
| import java.awt.Insets; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import javax.swing.Box; | ||
| import javax.swing.JComponent; | ||
| import javax.swing.JLabel; | ||
| import javax.swing.JOptionPane; | ||
| import javax.swing.JTextField; | ||
| import uk.ac.starlink.ttools.plot2.config.ConfigException; | ||
| import uk.ac.starlink.ttools.plot2.config.ConfigKey; | ||
| import uk.ac.starlink.ttools.plot2.config.ConfigMap; | ||
| import uk.ac.starlink.ttools.plot2.config.ConfigMeta; | ||
| import uk.ac.starlink.ttools.plot2.config.Specifier; | ||
| import uk.ac.starlink.ttools.plot2.config.SpecifierPanel; | ||
|
|
||
| /** | ||
| * Specifier for a PlotPosition. | ||
| * | ||
| * @author Mark Taylor | ||
| * @since 18 Dec 2014 | ||
| */ | ||
| public class PlotPositionSpecifier extends SpecifierPanel<PlotPosition> { | ||
|
|
||
| private final ConfigSpecifier configSpecifier_; | ||
|
|
||
| private static final ConfigKey<Integer> XPIX_KEY = | ||
| createIntegerKey( new ConfigMeta( "xpix", "Outer width" ) ); | ||
| private static final ConfigKey<Integer> YPIX_KEY = | ||
| createIntegerKey( new ConfigMeta( "ypix", "Outer height" ) ); | ||
| private static final ConfigKey<Integer> TOP_KEY = | ||
| createIntegerKey( new ConfigMeta( "top", "Top border" ) ); | ||
| private static final ConfigKey<Integer> LEFT_KEY = | ||
| createIntegerKey( new ConfigMeta( "left", "Left border" ) ); | ||
| private static final ConfigKey<Integer> BOTTOM_KEY = | ||
| createIntegerKey( new ConfigMeta( "bottom", "Bottom border" ) ); | ||
| private static final ConfigKey<Integer> RIGHT_KEY = | ||
| createIntegerKey( new ConfigMeta( "right", "Right border" ) ); | ||
|
|
||
| /** | ||
| * Constructor. | ||
| */ | ||
| public PlotPositionSpecifier( boolean hasInsets ) { | ||
| super( false ); | ||
| List<ConfigKey> keyList = new ArrayList(); | ||
| keyList.add( XPIX_KEY ); | ||
| keyList.add( YPIX_KEY ); | ||
| if ( hasInsets ) { | ||
| keyList.add( TOP_KEY ); | ||
| keyList.add( LEFT_KEY ); | ||
| keyList.add( BOTTOM_KEY ); | ||
| keyList.add( RIGHT_KEY ); | ||
| } | ||
| ConfigKey[] keys = keyList.toArray( new ConfigKey[ 0 ] ); | ||
| configSpecifier_ = new ConfigSpecifier( keys ); | ||
| configSpecifier_.addActionListener( getActionForwarder() ); | ||
| } | ||
|
|
||
| public PlotPosition getSpecifiedValue() { | ||
| ConfigMap config = configSpecifier_.getSpecifiedValue(); | ||
| Integer xpix = config.get( XPIX_KEY ); | ||
| Integer ypix = config.get( YPIX_KEY ); | ||
| Dimension size = xpix == null && ypix == null | ||
| ? null | ||
| : new Dimension( xpix == null ? -1 : xpix.intValue(), | ||
| ypix == null ? -1 : ypix.intValue() ); | ||
| Integer top = config.get( TOP_KEY ); | ||
| Integer left = config.get( LEFT_KEY ); | ||
| Integer bottom = config.get( BOTTOM_KEY ); | ||
| Integer right = config.get( RIGHT_KEY ); | ||
| Insets insets = | ||
| top == null && left == null && bottom == null && right == null | ||
| ? null | ||
| : new Insets( top == null ? -1 : top.intValue(), | ||
| left == null ? -1 : left.intValue(), | ||
| bottom == null ? -1 : bottom.intValue(), | ||
| right == null ? -1 : right.intValue() ); | ||
| return new PlotPosition( size, insets ); | ||
| } | ||
|
|
||
| public void setSpecifiedValue( PlotPosition plotpos ) { | ||
| ConfigMap config = new ConfigMap(); | ||
| Dimension size = plotpos.getPlotSize(); | ||
| if ( size != null ) { | ||
| config.put( XPIX_KEY, size.width ); | ||
| config.put( YPIX_KEY, size.height ); | ||
| } | ||
| Insets insets = plotpos.getPlotInsets(); | ||
| if ( insets != null ) { | ||
| config.put( TOP_KEY, insets.top ); | ||
| config.put( LEFT_KEY, insets.left ); | ||
| config.put( BOTTOM_KEY, insets.bottom ); | ||
| config.put( RIGHT_KEY, insets.right ); | ||
| } | ||
| configSpecifier_.setSpecifiedValue( config ); | ||
| } | ||
|
|
||
| public JComponent createComponent() { | ||
| return configSpecifier_.createComponent(); | ||
| } | ||
|
|
||
| /** | ||
| * Returns a ConfigKey for an Integer value. The default is null, | ||
| * so make sure to acquire the result as an Integer object not | ||
| * using auto-unboxing to get an int primitive. | ||
| * | ||
| * @param meta key metadata | ||
| * @return Integer key | ||
| */ | ||
| private static ConfigKey<Integer> createIntegerKey( ConfigMeta meta ) { | ||
| return new ConfigKey<Integer>( meta, Integer.class, null ) { | ||
| public String valueToString( Integer value ) { | ||
| return value == null ? "" : value.toString(); | ||
| } | ||
| public Integer stringToValue( String txt ) { | ||
| if ( txt == null || txt.trim().length() == 0 ) { | ||
| return null; | ||
| } | ||
| try { | ||
| return Integer.decode( txt.trim() ); | ||
| } | ||
| catch ( NumberFormatException e ) { | ||
| throw new ConfigException( this, | ||
| "\"" + txt + "\" not integer", | ||
| e ); | ||
| } | ||
| } | ||
| public Specifier<Integer> createSpecifier() { | ||
| return new SpecifierPanel<Integer>( false ) { | ||
| final JTextField txtField_ = new JTextField( 6 ); | ||
| protected JComponent createComponent() { | ||
| txtField_.addActionListener( getActionForwarder() ); | ||
| JComponent box = Box.createHorizontalBox(); | ||
| box.add( txtField_ ); | ||
| box.add( Box.createHorizontalStrut( 5 ) ); | ||
| box.add( new JLabel( "pixels" ) ); | ||
| return box; | ||
| } | ||
| public Integer getSpecifiedValue() { | ||
| try { | ||
| return stringToValue( txtField_.getText() ); | ||
| } | ||
| catch ( ConfigException e ) { | ||
| JOptionPane | ||
| .showMessageDialog( txtField_, e.getMessage(), | ||
| "Bad Value", | ||
| JOptionPane.ERROR_MESSAGE ); | ||
| txtField_.setText( "" ); | ||
| return null; | ||
| } | ||
| } | ||
| public void setSpecifiedValue( Integer value ) { | ||
| txtField_.setText( valueToString( value ) ); | ||
| fireAction(); | ||
| } | ||
| }; | ||
| } | ||
| }; | ||
| } | ||
| } |
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