1 package org.rcfaces.core.internal.taglib;
2
3 import javax.faces.application.Application;
4 import javax.faces.component.UIComponent;
5 import org.rcfaces.core.internal.component.Properties;
6 import javax.el.ValueExpression;
7 import javax.faces.component.UIViewRoot;
8 import org.apache.commons.logging.Log;
9 import javax.servlet.jsp.tagext.Tag;
10 import org.apache.commons.logging.LogFactory;
11 import org.rcfaces.core.component.ImageComponent;
12 import org.rcfaces.core.internal.tools.ListenersTools1_2;
13 import org.rcfaces.core.internal.tools.ListenersTools;
14 import javax.faces.context.FacesContext;
15
16 public class ImageTag extends AbstractOutputTag implements Tag {
17
18
19 private static final Log LOG=LogFactory.getLog(ImageTag.class);
20
21 private ValueExpression imageURL;
22 private ValueExpression imageHeight;
23 private ValueExpression imageWidth;
24 private ValueExpression alternateText;
25 private ValueExpression filterProperties;
26 public String getComponentType() {
27 return ImageComponent.COMPONENT_TYPE;
28 }
29
30 public final void setImageURL(ValueExpression imageURL) {
31 this.imageURL = imageURL;
32 }
33
34 public final void setImageHeight(ValueExpression imageHeight) {
35 this.imageHeight = imageHeight;
36 }
37
38 public final void setImageWidth(ValueExpression imageWidth) {
39 this.imageWidth = imageWidth;
40 }
41
42 public final void setAlternateText(ValueExpression alternateText) {
43 this.alternateText = alternateText;
44 }
45
46 public final void setFilterProperties(ValueExpression filterProperties) {
47 this.filterProperties = filterProperties;
48 }
49
50 protected void setProperties(UIComponent uiComponent) {
51 if (LOG.isDebugEnabled()) {
52 if (ImageComponent.COMPONENT_TYPE==getComponentType()) {
53 LOG.debug("Component id='"+getId()+"' type='"+getComponentType()+"'.");
54 }
55 LOG.debug(" imageURL='"+imageURL+"'");
56 LOG.debug(" imageHeight='"+imageHeight+"'");
57 LOG.debug(" imageWidth='"+imageWidth+"'");
58 LOG.debug(" alternateText='"+alternateText+"'");
59 LOG.debug(" filterProperties='"+filterProperties+"'");
60 }
61 if ((uiComponent instanceof ImageComponent)==false) {
62 if (uiComponent instanceof UIViewRoot) {
63 throw new IllegalStateException("The first component of the page must be a UIViewRoot component !");
64 }
65 throw new IllegalStateException("Component specified by tag is not instanceof of 'ImageComponent'.");
66 }
67
68 super.setProperties(uiComponent);
69
70 ImageComponent component = (ImageComponent) uiComponent;
71 FacesContext facesContext = getFacesContext();
72
73 if (imageURL != null) {
74 if (imageURL.isLiteralText()==false) {
75 component.setValueExpression(Properties.IMAGE_URL, imageURL);
76
77 } else {
78 component.setImageURL(imageURL.getExpressionString());
79 }
80 }
81
82 if (imageHeight != null) {
83 if (imageHeight.isLiteralText()==false) {
84 component.setValueExpression(Properties.IMAGE_HEIGHT, imageHeight);
85
86 } else {
87 component.setImageHeight(getInt(imageHeight.getExpressionString()));
88 }
89 }
90
91 if (imageWidth != null) {
92 if (imageWidth.isLiteralText()==false) {
93 component.setValueExpression(Properties.IMAGE_WIDTH, imageWidth);
94
95 } else {
96 component.setImageWidth(getInt(imageWidth.getExpressionString()));
97 }
98 }
99
100 if (alternateText != null) {
101 if (alternateText.isLiteralText()==false) {
102 component.setValueExpression(Properties.ALTERNATE_TEXT, alternateText);
103
104 } else {
105 component.setAlternateText(alternateText.getExpressionString());
106 }
107 }
108
109 if (filterProperties != null) {
110 if (filterProperties.isLiteralText()==false) {
111 component.setValueExpression(Properties.FILTER_PROPERTIES, filterProperties);
112
113 } else {
114 component.setFilterProperties(filterProperties.getExpressionString());
115 }
116 }
117 }
118
119 public void release() {
120 imageURL = null;
121 imageHeight = null;
122 imageWidth = null;
123 alternateText = null;
124 filterProperties = null;
125
126 super.release();
127 }
128
129 }