diff options
Diffstat (limited to 'libjava/classpath/java/awt/GridBagLayout.java')
| -rw-r--r-- | libjava/classpath/java/awt/GridBagLayout.java | 376 |
1 files changed, 188 insertions, 188 deletions
diff --git a/libjava/classpath/java/awt/GridBagLayout.java b/libjava/classpath/java/awt/GridBagLayout.java index d016fd3..224d53f 100644 --- a/libjava/classpath/java/awt/GridBagLayout.java +++ b/libjava/classpath/java/awt/GridBagLayout.java @@ -75,9 +75,9 @@ public class GridBagLayout public GridBagLayout () { - this.comptable = new Hashtable<Component,GridBagConstraints>(); - this.internalcomptable = new Hashtable<Component,GridBagConstraints>(); - this.defaultConstraints= new GridBagConstraints(); + this.comptable = new Hashtable<Component,GridBagConstraints>(); + this.internalcomptable = new Hashtable<Component,GridBagConstraints>(); + this.defaultConstraints= new GridBagConstraints(); } /** @@ -85,12 +85,12 @@ public class GridBagLayout */ private int sumIntArray (int[] array, int upto) { - int result = 0; + int result = 0; - for (int i = 0; i < upto; i++) - result += array [i]; + for (int i = 0; i < upto; i++) + result += array [i]; - return result; + return result; } /** @@ -98,7 +98,7 @@ public class GridBagLayout */ private int sumIntArray (int[] array) { - return sumIntArray(array, array.length); + return sumIntArray(array, array.length); } /** @@ -106,58 +106,58 @@ public class GridBagLayout */ private double sumDoubleArray (double[] array) { - double result = 0; + double result = 0; - for (int i = 0; i < array.length; i++) - result += array [i]; + for (int i = 0; i < array.length; i++) + result += array [i]; - return result; + return result; } public void addLayoutComponent (String name, Component component) { - // do nothing here. + // do nothing here. } public void removeLayoutComponent (Component component) { - // do nothing here + // do nothing here } public void addLayoutComponent (Component component, Object constraints) { - if (constraints == null) - return; + if (constraints == null) + return; - if (!(constraints instanceof GridBagConstraints)) - throw new IllegalArgumentException("constraints " - + constraints - + " are not an instance of GridBagConstraints"); + if (!(constraints instanceof GridBagConstraints)) + throw new IllegalArgumentException("constraints " + + constraints + + " are not an instance of GridBagConstraints"); - setConstraints (component, (GridBagConstraints) constraints); + setConstraints (component, (GridBagConstraints) constraints); } public Dimension preferredLayoutSize (Container parent) { - if (parent == null) - return new Dimension (0, 0); - - GridBagLayoutInfo li = getLayoutInfo (parent, PREFERREDSIZE); - return getMinSize (parent, li); + if (parent == null) + return new Dimension (0, 0); + + GridBagLayoutInfo li = getLayoutInfo (parent, PREFERREDSIZE); + return getMinSize (parent, li); } public Dimension minimumLayoutSize (Container parent) { - if (parent == null) - return new Dimension (0, 0); - - GridBagLayoutInfo li = getLayoutInfo (parent, MINSIZE); - return getMinSize (parent, li); + if (parent == null) + return new Dimension (0, 0); + + GridBagLayoutInfo li = getLayoutInfo (parent, MINSIZE); + return getMinSize (parent, li); } public Dimension maximumLayoutSize (Container target) { - return new Dimension (Integer.MAX_VALUE, Integer.MAX_VALUE); + return new Dimension (Integer.MAX_VALUE, Integer.MAX_VALUE); } public void layoutContainer (Container parent) @@ -167,72 +167,72 @@ public class GridBagLayout public float getLayoutAlignmentX (Container target) { - return Component.CENTER_ALIGNMENT; + return Component.CENTER_ALIGNMENT; } public float getLayoutAlignmentY (Container target) { - return Component.CENTER_ALIGNMENT; + return Component.CENTER_ALIGNMENT; } public void invalidateLayout (Container target) { - this.layoutInfo = null; + this.layoutInfo = null; } public void setConstraints (Component component, - GridBagConstraints constraints) + GridBagConstraints constraints) { - GridBagConstraints clone = (GridBagConstraints) constraints.clone(); - - if (clone.gridx < 0) - clone.gridx = GridBagConstraints.RELATIVE; - - if (clone.gridy < 0) - clone.gridy = GridBagConstraints.RELATIVE; - - if (clone.gridwidth == 0) - clone.gridwidth = GridBagConstraints.REMAINDER; - else if (clone.gridwidth < 0) - clone.gridwidth = 1; - - if (clone.gridheight == 0) - clone.gridheight = GridBagConstraints.REMAINDER; - else if (clone.gridheight < 0) - clone.gridheight = 1; - - comptable.put (component, clone); + GridBagConstraints clone = (GridBagConstraints) constraints.clone(); + + if (clone.gridx < 0) + clone.gridx = GridBagConstraints.RELATIVE; + + if (clone.gridy < 0) + clone.gridy = GridBagConstraints.RELATIVE; + + if (clone.gridwidth == 0) + clone.gridwidth = GridBagConstraints.REMAINDER; + else if (clone.gridwidth < 0) + clone.gridwidth = 1; + + if (clone.gridheight == 0) + clone.gridheight = GridBagConstraints.REMAINDER; + else if (clone.gridheight < 0) + clone.gridheight = 1; + + comptable.put (component, clone); } public GridBagConstraints getConstraints (Component component) { - return (GridBagConstraints) (lookupConstraints (component).clone()); + return (GridBagConstraints) (lookupConstraints (component).clone()); } protected GridBagConstraints lookupConstraints (Component component) { - GridBagConstraints result = comptable.get (component); - - if (result == null) - { - setConstraints (component, defaultConstraints); - result = comptable.get (component); - } - - return result; + GridBagConstraints result = comptable.get (component); + + if (result == null) + { + setConstraints (component, defaultConstraints); + result = comptable.get (component); + } + + return result; } private GridBagConstraints lookupInternalConstraints (Component component) { - GridBagConstraints result = internalcomptable.get (component); - - if (result == null) - { - result = (GridBagConstraints) lookupConstraints(component).clone(); - internalcomptable.put (component, result); - } - - return result; + GridBagConstraints result = internalcomptable.get (component); + + if (result == null) + { + result = (GridBagConstraints) lookupConstraints(component).clone(); + internalcomptable.put (component, result); + } + + return result; } /** @@ -240,10 +240,10 @@ public class GridBagLayout */ public Point getLayoutOrigin () { - if (layoutInfo == null) - return new Point (0, 0); - - return new Point (layoutInfo.pos_x, layoutInfo.pos_y); + if (layoutInfo == null) + return new Point (0, 0); + + return new Point (layoutInfo.pos_x, layoutInfo.pos_y); } /** @@ -251,38 +251,38 @@ public class GridBagLayout */ public int[][] getLayoutDimensions () { - int[][] result = new int [2][]; - if (layoutInfo == null) - { - result[0] = new int[0]; - result[1] = new int[0]; - - return result; - } - - result [0] = new int [layoutInfo.cols]; - System.arraycopy (layoutInfo.colWidths, 0, result [0], 0, layoutInfo.cols); - result [1] = new int [layoutInfo.rows]; - System.arraycopy (layoutInfo.rowHeights, 0, result [1], 0, layoutInfo.rows); - return result; + int[][] result = new int [2][]; + if (layoutInfo == null) + { + result[0] = new int[0]; + result[1] = new int[0]; + + return result; + } + + result [0] = new int [layoutInfo.cols]; + System.arraycopy (layoutInfo.colWidths, 0, result [0], 0, layoutInfo.cols); + result [1] = new int [layoutInfo.rows]; + System.arraycopy (layoutInfo.rowHeights, 0, result [1], 0, layoutInfo.rows); + return result; } public double[][] getLayoutWeights () { - double[][] result = new double [2][]; - if (layoutInfo == null) - { - result[0] = new double[0]; - result[1] = new double[0]; - - return result; - } - - result [0] = new double [layoutInfo.cols]; - System.arraycopy (layoutInfo.colWeights, 0, result [0], 0, layoutInfo.cols); - result [1] = new double [layoutInfo.rows]; - System.arraycopy (layoutInfo.rowWeights, 0, result [1], 0, layoutInfo.rows); - return result; + double[][] result = new double [2][]; + if (layoutInfo == null) + { + result[0] = new double[0]; + result[1] = new double[0]; + + return result; + } + + result [0] = new double [layoutInfo.cols]; + System.arraycopy (layoutInfo.colWeights, 0, result [0], 0, layoutInfo.cols); + result [1] = new double [layoutInfo.rows]; + System.arraycopy (layoutInfo.rowWeights, 0, result [1], 0, layoutInfo.rows); + return result; } /** @@ -290,33 +290,33 @@ public class GridBagLayout */ public Point location (int x, int y) { - if (layoutInfo == null) - return new Point (0, 0); + if (layoutInfo == null) + return new Point (0, 0); - int col; - int row; - int pixel_x = layoutInfo.pos_x; - int pixel_y = layoutInfo.pos_y; + int col; + int row; + int pixel_x = layoutInfo.pos_x; + int pixel_y = layoutInfo.pos_y; - for (col = 0; col < layoutInfo.cols; col++) - { - int w = layoutInfo.colWidths [col]; - if (x < pixel_x + w) - break; + for (col = 0; col < layoutInfo.cols; col++) + { + int w = layoutInfo.colWidths [col]; + if (x < pixel_x + w) + break; - pixel_x += w; - } + pixel_x += w; + } - for (row = 0; row < layoutInfo.rows; row++) - { - int h = layoutInfo.rowHeights [row]; - if (y < pixel_y + h) - break; + for (row = 0; row < layoutInfo.rows; row++) + { + int h = layoutInfo.rowHeights [row]; + if (y < pixel_y + h) + break; - pixel_y += h; - } + pixel_y += h; + } - return new Point (col, row); + return new Point (col, row); } /** @@ -328,7 +328,7 @@ public class GridBagLayout { return getClass().getName(); } - + /** * Move and resize a rectangle according to a set of grid bag * constraints. The x, y, width and height fields of the @@ -342,12 +342,12 @@ public class GridBagLayout { Insets insets = constraints.insets; if (insets != null) - { - r.x += insets.left; - r.y += insets.top; - r.width -= insets.left + insets.right; - r.height -= insets.top + insets.bottom; - } + { + r.x += insets.left; + r.y += insets.top; + r.width -= insets.left + insets.right; + r.height -= insets.top + insets.bottom; + } } /** @@ -385,13 +385,13 @@ public class GridBagLayout Dimension dim = component.getPreferredSize(); GridBagConstraints constraints = lookupInternalConstraints(component); - + if (lastComp != null && constraints.gridheight == GridBagConstraints.REMAINDER) cell.y += cell.height; else cell.y = sumIntArray(info.rowHeights, constraints.gridy); - + if (lastComp != null && constraints.gridwidth == GridBagConstraints.REMAINDER) cell.x += cell.width; @@ -402,9 +402,9 @@ public class GridBagLayout + constraints.gridwidth) - cell.x; cell.height = sumIntArray(info.rowHeights, constraints.gridy + constraints.gridheight) - cell.y; - + // Adjust for insets. - AdjustForGravity( constraints, cell ); + AdjustForGravity( constraints, cell ); // Note: Documentation says that padding is added on both sides, but // visual inspection shows that the Sun implementation only adds it @@ -492,7 +492,7 @@ public class GridBagLayout Insets parentInsets = parent.getInsets (); parentDim.width -= parentInsets.left + parentInsets.right; parentDim.height -= parentInsets.top + parentInsets.bottom; - + int current_y = 0; int max_x = 0; int max_y = 0; @@ -508,13 +508,13 @@ public class GridBagLayout // smallest to largest, with REMAINDER and RELATIVE at the end. // These are useful when determining sizes and weights. ArrayList<Component> sortedByWidth = - new ArrayList<Component>(components.length); + new ArrayList<Component>(components.length); ArrayList<Component> sortedByHeight = - new ArrayList<Component>(components.length); + new ArrayList<Component>(components.length); // STEP 1: first we figure out how many rows/columns for (int i = 0; i < components.length; i++) - { + { Component component = components [i]; // If component is not visible we dont have to care about it. if (!component.isVisible()) @@ -557,7 +557,7 @@ public class GridBagLayout // Check the component that occupies the right-most spot in this // row. We want to add this component after it. // If this row is empty, add to the 0 position. - if (!lastInRow.containsKey(new Integer(constraints.gridy))) + if (!lastInRow.containsKey(new Integer(constraints.gridy))) x = 0; else { @@ -588,7 +588,7 @@ public class GridBagLayout // Check the component that occupies the bottom-most spot in // this column. We want to add this component below it. // If this column is empty, add to the 0 position. - if (!lastInCol.containsKey(new Integer(constraints.gridx))) + if (!lastInCol.containsKey(new Integer(constraints.gridx))) { y = current_y; } @@ -616,7 +616,7 @@ public class GridBagLayout } // case 4: do nothing - max_x = Math.max(max_x, + max_x = Math.max(max_x, constraints.gridx + Math.max(1, constraints.gridwidth)); max_y = Math.max(max_y, constraints.gridy + Math.max(1, constraints.gridheight)); @@ -626,11 +626,11 @@ public class GridBagLayout // Update our reference points for RELATIVE gridx and gridy. if(constraints.gridwidth == GridBagConstraints.REMAINDER) - { + { current_y = constraints.gridy + Math.max(1, constraints.gridheight); - } + } else if (constraints.gridwidth != GridBagConstraints.REMAINDER) - { + { for (int y = constraints.gridy; y < constraints.gridy + Math.max(1, constraints.gridheight); y++) { if(lastInRow.containsKey(new Integer(y))) @@ -664,9 +664,9 @@ public class GridBagLayout lastInCol.put(new Integer(x), component); } } - } - } // end of STEP 1 - + } + } // end of STEP 1 + GridBagLayoutInfo info = new GridBagLayoutInfo(max_x, max_y); // Check if column widths and row heights are overridden. @@ -691,11 +691,11 @@ public class GridBagLayout for (int i = 0; i < components.length; i++) { Component component = components [i]; - + // If component is not visible we dont have to care about it. if (!component.isVisible()) continue; - + GridBagConstraints constraints = lookupInternalConstraints (component); if(constraints.gridwidth == GridBagConstraints.REMAINDER || constraints.gridwidth == GridBagConstraints.RELATIVE) @@ -745,7 +745,7 @@ public class GridBagLayout if (lastComponent != null) { GridBagConstraints lastConstraints = lookupInternalConstraints(lastComponent); - + if (lastConstraints.gridheight == GridBagConstraints.RELATIVE) { constraints.gridy = max_y - 1; @@ -776,7 +776,7 @@ public class GridBagLayout for (int i = 0; i < sortedByWidth.size(); i++) { Component component = sortedByWidth.get(i); - + // If component is not visible we dont have to care about it. if (!component.isVisible()) continue; @@ -793,7 +793,7 @@ public class GridBagLayout width += constraints.ipadx; distributeSizeAndWeight(width, - constraints.weightx, + constraints.weightx, constraints.gridx, constraints.gridwidth, info.colWidths, @@ -804,7 +804,7 @@ public class GridBagLayout for (int i = 0; i < sortedByHeight.size(); i++) { Component component = sortedByHeight.get(i); - + // If component is not visible we dont have to care about it. if (!component.isVisible()) continue; @@ -819,9 +819,9 @@ public class GridBagLayout height += constraints.insets.top + constraints.insets.bottom; height += constraints.ipady; - + distributeSizeAndWeight(height, - constraints.weighty, + constraints.weighty, constraints.gridy, constraints.gridheight, info.rowHeights, @@ -890,7 +890,7 @@ public class GridBagLayout * FIXME: Use a better sorting algorithm. */ private void sortBySpan (Component component, int span, - ArrayList<Component> list, boolean sortByWidth) + ArrayList<Component> list, boolean sortByWidth) { if (span == GridBagConstraints.REMAINDER || span == GridBagConstraints.RELATIVE) @@ -1005,7 +1005,7 @@ public class GridBagLayout double extraWeight = diff * weights[k] / totalWeight; weights[k] += extraWeight; remaining -= extraWeight; - } + } if (remaining > 0.0 && weights[start + span - 1] != 0.0) { @@ -1044,42 +1044,42 @@ public class GridBagLayout private void dumpLayoutInfo (GridBagLayoutInfo info) { - System.out.println ("GridBagLayoutInfo:"); - System.out.println ("cols: " + info.cols + ", rows: " + info.rows); - System.out.print ("colWidths: "); - dumpArray(info.colWidths); - System.out.print ("rowHeights: "); - dumpArray(info.rowHeights); - System.out.print ("colWeights: "); - dumpArray(info.colWeights); - System.out.print ("rowWeights: "); - dumpArray(info.rowWeights); + System.out.println ("GridBagLayoutInfo:"); + System.out.println ("cols: " + info.cols + ", rows: " + info.rows); + System.out.print ("colWidths: "); + dumpArray(info.colWidths); + System.out.print ("rowHeights: "); + dumpArray(info.rowHeights); + System.out.print ("colWeights: "); + dumpArray(info.colWeights); + System.out.print ("rowWeights: "); + dumpArray(info.rowWeights); } private void dumpArray(int[] array) { - String sep = ""; - for(int i = 0; i < array.length; i++) - { - System.out.print(sep); - System.out.print(array[i]); - sep = ", "; - } - System.out.println(); + String sep = ""; + for(int i = 0; i < array.length; i++) + { + System.out.print(sep); + System.out.print(array[i]); + sep = ", "; + } + System.out.println(); } private void dumpArray(double[] array) { - String sep = ""; - for(int i = 0; i < array.length; i++) - { - System.out.print(sep); - System.out.print(array[i]); - sep = ", "; - } - System.out.println(); + String sep = ""; + for(int i = 0; i < array.length; i++) + { + System.out.print(sep); + System.out.print(array[i]); + sep = ", "; + } + System.out.println(); } - + /** * @since 1.4 */ |