diff options
Diffstat (limited to 'libjava/classpath/java/awt/CardLayout.java')
| -rw-r--r-- | libjava/classpath/java/awt/CardLayout.java | 254 |
1 files changed, 127 insertions, 127 deletions
diff --git a/libjava/classpath/java/awt/CardLayout.java b/libjava/classpath/java/awt/CardLayout.java index 35380d2370b..c36daf4823c 100644 --- a/libjava/classpath/java/awt/CardLayout.java +++ b/libjava/classpath/java/awt/CardLayout.java @@ -85,7 +85,7 @@ public class CardLayout implements LayoutManager2, Serializable * * @param comp The component to add * @param constraints The name by which the component can later be called - * + * * @exception IllegalArgumentException If `constraints' is not a * <code>String</code> */ @@ -93,17 +93,17 @@ public class CardLayout implements LayoutManager2, Serializable { if (! (constraints instanceof String)) throw new IllegalArgumentException ("Object " + constraints - + " is not a string"); + + " is not a string"); addLayoutComponent ((String) constraints, comp); } /** * Add a new component to the layout. The name can be used later * to refer to the component. - * + * * @param name The name by which the component can later be called * @param comp The component to add - * + * * @deprecated This method is deprecated in favor of * <code>addLayoutComponent(Component, Object)</code>. */ @@ -137,7 +137,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Return this layout manager's x alignment. This method always * returns Component.CENTER_ALIGNMENT. - * + * * @param parent Container using this layout manager instance * * @return the x-axis alignment @@ -150,7 +150,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Returns this layout manager's y alignment. This method always * returns Component.CENTER_ALIGNMENT. - * + * * @param parent Container using this layout manager instance * * @return the y-axis alignment @@ -180,7 +180,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Cause the last component in the container to be displayed. - * + * * @param parent The parent container, not <code>null</code>. */ public void last (Container parent) @@ -193,32 +193,32 @@ public class CardLayout implements LayoutManager2, Serializable * to be the same size as the parent, less insets and gaps. * * @param parent The parent container. - */ + */ public void layoutContainer (Container parent) { synchronized (parent.getTreeLock ()) { - int width = parent.width; - int height = parent.height; + int width = parent.width; + int height = parent.height; - Insets ins = parent.getInsets (); + Insets ins = parent.getInsets (); - int num = parent.ncomponents; - Component[] comps = parent.component; + int num = parent.ncomponents; + Component[] comps = parent.component; - int x = ins.left + hgap; - int y = ins.top + vgap; - width = width - 2 * hgap - ins.left - ins.right; - height = height - 2 * vgap - ins.top - ins.bottom; + int x = ins.left + hgap; + int y = ins.top + vgap; + width = width - 2 * hgap - ins.left - ins.right; + height = height - 2 * vgap - ins.top - ins.bottom; - for (int i = 0; i < num; ++i) - comps[i].setBounds (x, y, width, height); + for (int i = 0; i < num; ++i) + comps[i].setBounds (x, y, width, height); } } /** * Get the maximum layout size of the container. - * + * * @param target The parent container * * @return the maximum layout size @@ -234,7 +234,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Get the minimum layout size of the container. - * + * * @param target The parent container * * @return the minimum layout size @@ -248,7 +248,7 @@ public class CardLayout implements LayoutManager2, Serializable * Cause the next component in the container to be displayed. If * this current card is the last one in the deck, the first * component is displayed. - * + * * @param parent The parent container, not <code>null</code>. */ public void next (Container parent) @@ -258,7 +258,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Get the preferred layout size of the container. - * + * * @param parent The parent container * * @return the preferred layout size @@ -272,7 +272,7 @@ public class CardLayout implements LayoutManager2, Serializable * Cause the previous component in the container to be displayed. * If this current card is the first one in the deck, the last * component is displayed. - * + * * @param parent The parent container, not <code>null</code>. */ public void previous (Container parent) @@ -282,7 +282,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Remove the indicated component from this layout manager. - * + * * @param comp The component to remove */ public void removeLayoutComponent (Component comp) @@ -290,20 +290,20 @@ public class CardLayout implements LayoutManager2, Serializable Enumeration e = tab.keys (); while (e.hasMoreElements ()) { - Object key = e.nextElement (); - if (tab.get (key) == comp) - { - tab.remove (key); - Container parent = comp.getParent(); - next(parent); - break; - } + Object key = e.nextElement (); + if (tab.get (key) == comp) + { + tab.remove (key); + Container parent = comp.getParent(); + next(parent); + break; + } } } /** * Set this layout manager's horizontal gap. - * + * * @param hgap The new gap */ public void setHgap (int hgap) @@ -313,7 +313,7 @@ public class CardLayout implements LayoutManager2, Serializable /** * Set this layout manager's vertical gap. - * + * * @param vgap The new gap */ public void setVgap (int vgap) @@ -324,34 +324,34 @@ public class CardLayout implements LayoutManager2, Serializable /** * Cause the named component to be shown. If the component name is * unknown or <code>null</code>, this method does nothing. - * + * * @param parent The parent container, not <code>null</code>. - * @param name The name of the component to show + * @param name The name of the component to show */ public void show (Container parent, String name) { if (name == null) return; - + if (parent.getLayout() != this) throw new IllegalArgumentException("parent's layout is not this CardLayout"); - + Object target = tab.get (name); if (target != null) { - int num = parent.ncomponents; - // This is more efficient than calling getComponents(). - Component[] comps = parent.component; - for (int i = 0; i < num; ++i) - { - if (comps[i].isVisible()) - { - if (target == comps[i]) - return; - comps[i].setVisible (false); - } - } - ((Component) target).setVisible (true); + int num = parent.ncomponents; + // This is more efficient than calling getComponents(). + Component[] comps = parent.component; + for (int i = 0; i < num; ++i) + { + if (comps[i].isVisible()) + { + if (target == comps[i]) + return; + comps[i].setVisible (false); + } + } + ((Component) target).setVisible (true); parent.validate(); } } @@ -368,71 +368,71 @@ public class CardLayout implements LayoutManager2, Serializable /** * This implements first(), last(), next(), and previous(). - * + * * @param parent The parent container * @param what The type of goto: FIRST, LAST, NEXT or PREV - * - * @throws IllegalArgumentException if parent has not this + * + * @throws IllegalArgumentException if parent has not this * CardLayout set as its layout. */ private void gotoComponent (Container parent, int what) { if (parent.getLayout() != this) throw new IllegalArgumentException("parent's layout is not this CardLayout"); - + synchronized (parent.getTreeLock ()) { - int num = parent.ncomponents; - // This is more efficient than calling getComponents(). - Component[] comps = parent.component; - - if (num == 1) - { - comps[0].setVisible(true); - return; - } - - int choice = -1; - - if (what == FIRST) - choice = 0; - else if (what == LAST) - choice = num - 1; - - for (int i = 0; i < num; ++i) - { - if (comps[i].isVisible ()) - { - if (choice == i) - { - // Do nothing if we're already looking at the right + int num = parent.ncomponents; + // This is more efficient than calling getComponents(). + Component[] comps = parent.component; + + if (num == 1) + { + comps[0].setVisible(true); + return; + } + + int choice = -1; + + if (what == FIRST) + choice = 0; + else if (what == LAST) + choice = num - 1; + + for (int i = 0; i < num; ++i) + { + if (comps[i].isVisible ()) + { + if (choice == i) + { + // Do nothing if we're already looking at the right // component. return; - } - else if (what == PREV) - { - choice = i - 1; - if (choice < 0) - choice = num - 1; - } - else if (what == NEXT) - { + } + else if (what == PREV) + { + choice = i - 1; + if (choice < 0) + choice = num - 1; + } + else if (what == NEXT) + { choice = i + 1; if (choice == num) choice = 0; - } - comps[i].setVisible (false); - - if (choice >= 0) - break; - } else + } + comps[i].setVisible (false); + + if (choice >= 0) + break; + } else { comps[i].setVisible(true); } - } + } - if (choice >= 0 && choice < num) - comps[choice].setVisible (true); + if (choice >= 0 && choice < num) + comps[choice].setVisible (true); } } @@ -441,35 +441,35 @@ public class CardLayout implements LayoutManager2, Serializable { synchronized (parent.getTreeLock ()) { - int w = 0, h = 0, num = parent.ncomponents; - Component[] comps = parent.component; - - for (int i = 0; i < num; ++i) - { - Dimension d; - - if (what == MIN) - d = comps[i].getMinimumSize (); - else if (what == MAX) - d = comps[i].getMaximumSize (); - else - d = comps[i].getPreferredSize (); - - w = Math.max (d.width, w); - h = Math.max (d.height, h); - } - - Insets i = parent.getInsets (); - w += 2 * hgap + i.right + i.left; - h += 2 * vgap + i.bottom + i.top; - - // Handle overflow. - if (w < 0) - w = Integer.MAX_VALUE; - if (h < 0) - h = Integer.MAX_VALUE; - - return new Dimension (w, h); + int w = 0, h = 0, num = parent.ncomponents; + Component[] comps = parent.component; + + for (int i = 0; i < num; ++i) + { + Dimension d; + + if (what == MIN) + d = comps[i].getMinimumSize (); + else if (what == MAX) + d = comps[i].getMaximumSize (); + else + d = comps[i].getPreferredSize (); + + w = Math.max (d.width, w); + h = Math.max (d.height, h); + } + + Insets i = parent.getInsets (); + w += 2 * hgap + i.right + i.left; + h += 2 * vgap + i.bottom + i.top; + + // Handle overflow. + if (w < 0) + w = Integer.MAX_VALUE; + if (h < 0) + h = Integer.MAX_VALUE; + + return new Dimension (w, h); } } |
