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1
51 package org.apache.fop.datatypes;
52
53 import java.util.ArrayList  ;
54
55 import org.apache.fop.fo.expr.Numeric;
56 import org.apache.fop.fo.expr.PropertyException;
57
58
63 public class MixedLength extends Length {
64
65 private ArrayList lengths ;
66
67 public MixedLength(ArrayList lengths) {
68 this.lengths = lengths;
69 }
70
71 protected void computeValue() {
72 int computedValue =0;
73 boolean bAllComputed = true;
74 for (int i = 0; i < lengths.size(); i++) {
75 Length l = (Length)lengths.get(i);
76 computedValue += l.mvalue();
77 if (! l.isComputed()) {
78 bAllComputed = false;
79 }
80 }
81 setComputedValue(computedValue, bAllComputed);
82 }
83
84 public double getTableUnits() {
85 double tableUnits = 0.0;
86 for (int i = 0; i < lengths.size(); i++) {
87 tableUnits += ((Length)lengths.get(i)).getTableUnits();
88 }
89 return tableUnits;
90 }
91
92 public void resolveTableUnit(double dTableUnit) {
93 for (int i = 0; i < lengths.size(); i++) {
94 ((Length)lengths.get(i)).resolveTableUnit(dTableUnit);
95 }
96 }
97
98 public String toString() {
99 StringBuffer sbuf = new StringBuffer ();
100 for (int i = 0; i < lengths.size(); i++) {
101 if (sbuf.length()>0) {
102 sbuf.append('+');
103 }
104 sbuf.append(lengths.get(i).toString());
105 }
106 return sbuf.toString();
107 }
108
109 public Numeric asNumeric() {
110 Numeric numeric = null;
111 for (int i = 0; i < lengths.size(); i++) {
112 Length l = (Length)lengths.get(i);
113 if (numeric == null) {
114 numeric = l.asNumeric();
115 } else {
116 try {
117 Numeric sum = numeric.add(l.asNumeric());
118 numeric = sum;
119 } catch (PropertyException pe) {
120 System.err.println("Can't convert MixedLength to Numeric: " +
121 pe);
122 }
123 }
124 }
125 return numeric;
126 }
127
128 }
129 |
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