1 /*
2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javafx.scene.layout;
27
28 import com.sun.javafx.css.StyleManager;
29 import com.sun.javafx.scene.layout.region.BorderImageSlices;
30 import com.sun.javafx.scene.layout.region.Margins;
31 import com.sun.javafx.scene.layout.region.RepeatStruct;
32 import java.util.Map;
33 import javafx.css.CssMetaData;
34 import javafx.css.ParsedValue;
35 import javafx.css.Styleable;
36 import javafx.css.StyleConverter;
37 import javafx.geometry.Insets;
38 import javafx.scene.image.Image;
39 import javafx.scene.paint.Color;
40 import javafx.scene.paint.Paint;
41
42 /**
43 */
44 class BorderConverter extends StyleConverter<ParsedValue[], Border> {
45
46 private static final BorderConverter BORDER_IMAGE_CONVERTER =
47 new BorderConverter();
48
49 public static BorderConverter getInstance() {
50 return BORDER_IMAGE_CONVERTER;
51 }
52
53 // Disallow instantiation
54 private BorderConverter() { }
55
56 @Override
57 public Border convert(Map<CssMetaData<? extends Styleable, ?>, Object> convertedValues) {
58 final Paint[][] strokeFills = (Paint[][])convertedValues.get(Border.BORDER_COLOR);
59 final BorderStrokeStyle[][] strokeStyles = (BorderStrokeStyle[][]) convertedValues.get(Border.BORDER_STYLE);
60 final String[] imageUrls = (String[]) convertedValues.get(Border.BORDER_IMAGE_SOURCE);
61 //
62 // In W3C CSS, border colors and border images are not layered. In javafx, they are. We've taken the position
63 // that there is one layer per -fx-border-color or -fx-border-image-source. This is consistent with
64 // background-image (see http://www.w3.org/TR/css3-background/#layering). But, in a browser, you can have a
65 // border-style with no corresponding border-color - the border-color just defaults to 'currentColor' (which
66 // we don't have so we'll call it 'black' for the time being). So the number of stroke-border layers is now
67 // determined by the max of strokeFills.length and strokeStyles.length. If there are more styles than fills,
68 // the remaining styles will use the last fill value (this is consistent with handling of the other stroke
69 // border properties). If there aren't any fills at all, then the fill is 'currentColor' (i.e., black) just
70 // as the default stroke is solid.
71 //
72 final boolean hasStrokes = (strokeFills != null && strokeFills.length > 0) || (strokeStyles != null && strokeStyles.length > 0);
73 final boolean hasImages = imageUrls != null && imageUrls.length > 0;
74
75 // If there are neither background fills nor images, then there is nothing for us to construct.
76 if (!hasStrokes && !hasImages) return null;
77
78 BorderStroke[] borderStrokes = null;
79 if (hasStrokes) {
80
81 final int lastStrokeFill = strokeFills != null ? strokeFills.length - 1 : -1;
82 final int lastStrokeStyle = strokeStyles != null ? strokeStyles.length - 1 : -1;
83 final int nLayers = (lastStrokeFill >= lastStrokeStyle ? lastStrokeFill : lastStrokeStyle) + 1;
84
85 Object tmp = convertedValues.get(Border.BORDER_WIDTH);
86 final Margins[] borderWidths = tmp == null ? new Margins[0] : (Margins[]) tmp;
87 final int lastMarginIndex = borderWidths.length - 1;
88
89 tmp = convertedValues.get(Border.BORDER_RADIUS);
90 final CornerRadii[] borderRadii = tmp == null ? new CornerRadii[0] : (CornerRadii[]) tmp;
91 final int lastRadiusIndex = borderRadii.length - 1;
92
93 tmp = convertedValues.get(Border.BORDER_INSETS);
94 final Insets[] borderInsets = tmp == null ? new Insets[0] : (Insets[]) tmp;
95 final int lastInsetsIndex = borderInsets.length - 1;
96
97 for (int i=0; i<nLayers; i++) {
98
99 BorderStrokeStyle[] styles;
100 // if there are no strokeStyles, then lastStrokeStyle will be < 0
101 if (lastStrokeStyle < 0) {
102 styles = new BorderStrokeStyle[4];
103 styles[0] = styles[1] = styles[2] = styles[3] = BorderStrokeStyle.SOLID;
104 } else {
105 styles = strokeStyles[i <= lastStrokeStyle ? i : lastStrokeStyle];
106 }
107
108 if (styles[0] == BorderStrokeStyle.NONE &&
109 styles[1] == BorderStrokeStyle.NONE &&
110 styles[2] == BorderStrokeStyle.NONE &&
111 styles[3] == BorderStrokeStyle.NONE) continue;
112
113 Paint[] strokes;
114 // if there are no strokeFills, then lastStrokeFill will be < 0
115 if (lastStrokeFill < 0) {
116 strokes = new Paint[4];
117 // TODO: should be 'currentColor'
118 strokes[0] = strokes[1] = strokes[2] = strokes[3] = Color.BLACK;
119 } else {
120 strokes = strokeFills[i <= lastStrokeFill ? i : lastStrokeFill];
121 }
122
123 if (borderStrokes == null) borderStrokes = new BorderStroke[nLayers];
124
125 final Margins margins = borderWidths.length == 0 ?
126 null :
127 borderWidths[i <= lastMarginIndex ? i : lastMarginIndex];
128 final CornerRadii radii = borderRadii.length == 0 ?
129 CornerRadii.EMPTY :
130 borderRadii[i <= lastRadiusIndex ? i : lastRadiusIndex];
131 final Insets insets = borderInsets.length == 0 ?
132 null :
133 borderInsets[i <= lastInsetsIndex ? i : lastInsetsIndex];
134
135 borderStrokes[i] = new BorderStroke(
136 strokes[0], strokes[1], strokes[2], strokes[3],
137 styles[0], styles[1], styles[2], styles[3],
138 radii,
139 margins == null ?
140 BorderStroke.DEFAULT_WIDTHS :
141 new BorderWidths(margins.getTop(), margins.getRight(), margins.getBottom(), margins.getLeft()),
142 insets);
143 }
144 }
145
146 BorderImage[] borderImages = null;
147 if (hasImages) {
148 borderImages = new BorderImage[imageUrls.length];
149 Object tmp = convertedValues.get(Border.BORDER_IMAGE_REPEAT);
150 final RepeatStruct[] repeats = tmp == null ? new RepeatStruct[0] : (RepeatStruct[]) tmp;
151 final int lastRepeatIndex = repeats.length - 1;
152
153 tmp = convertedValues.get(Border.BORDER_IMAGE_SLICE);
154 final BorderImageSlices[] slices = tmp == null ? new BorderImageSlices[0] : (BorderImageSlices[]) tmp;
155 final int lastSlicesIndex = slices.length - 1;
156
157 tmp = convertedValues.get(Border.BORDER_IMAGE_WIDTH);
158 final BorderWidths[] widths = tmp == null ? new BorderWidths[0] : (BorderWidths[]) tmp;
159 final int lastWidthsIndex = widths.length - 1;
160
161 tmp = convertedValues.get(Border.BORDER_IMAGE_INSETS);
162 final Insets[] insets = tmp == null ? new Insets[0] : (Insets[]) tmp;
163 final int lastInsetsIndex = insets.length - 1;
164
165 for (int i=0; i<imageUrls.length; i++) {
166 if (imageUrls[i] == null) continue;
167 BorderRepeat repeatX = BorderRepeat.STRETCH, repeatY = BorderRepeat.STRETCH;
168 if (repeats.length > 0) {
169 final RepeatStruct repeat = repeats[i <= lastRepeatIndex ? i : lastRepeatIndex];
170 switch (repeat.repeatX) {
171 case SPACE: repeatX = BorderRepeat.SPACE; break;
172 case ROUND: repeatX = BorderRepeat.ROUND; break;
173 case REPEAT: repeatX = BorderRepeat.REPEAT; break;
174 case NO_REPEAT: repeatX = BorderRepeat.STRETCH; break;
175 }
176 switch (repeat.repeatY) {
177 case SPACE: repeatY = BorderRepeat.SPACE; break;
178 case ROUND: repeatY = BorderRepeat.ROUND; break;
179 case REPEAT: repeatY = BorderRepeat.REPEAT; break;
180 case NO_REPEAT: repeatY = BorderRepeat.STRETCH; break;
181 }
182 }
183
184 final BorderImageSlices slice = slices.length > 0 ? slices[i <= lastSlicesIndex ? i : lastSlicesIndex] : BorderImageSlices.DEFAULT;
185 final Insets inset = insets.length > 0 ? insets[i <= lastInsetsIndex ? i : lastInsetsIndex] : Insets.EMPTY;
186 final BorderWidths width = widths.length > 0 ? widths[i <= lastWidthsIndex ? i : lastWidthsIndex] : BorderWidths.DEFAULT;
187 final Image img = StyleManager.getInstance().getCachedImage(imageUrls[i]);
188 borderImages[i] = new BorderImage(img, width, inset, slice.widths, slice.filled, repeatX, repeatY);
189 }
190 }
191
192 return borderStrokes == null && borderImages == null ? null : new Border(borderStrokes, borderImages);
193 }
194
195 /**
196 * @inheritDoc
197 */
198 @Override public String toString() {
199 return "BorderConverter";
200 }
201 }