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1
24 package org.riotfamily.forms.event;
25
26 import java.io.PrintWriter  ;
27 import java.util.ArrayList ;
28 import java.util.Iterator ;
29 import java.util.List ;
30
31 import org.riotfamily.common.markup.Html;
32 import org.riotfamily.common.markup.TagWriter;
33 import org.riotfamily.common.util.FormatUtils;
34 import org.riotfamily.forms.AbstractEditorBase;
35 import org.riotfamily.forms.MessageUtils;
36 import org.riotfamily.forms.request.FormRequest;
37
38
39
42 public class Button extends AbstractEditorBase
43 implements JavaScriptEventAdapter {
44
45 private List listeners;
46
47 private String labelKey;
48
49 private String label;
50
51 private String cssClass;
52
53 private boolean submit = false;
54
55 private String partitialSubmit;
56
57 private boolean clicked;
58
59 private int tabIndex;
60
61 public String getLabelKey() {
62 return labelKey;
63 }
64
65 public void setLabelKey(String labelKey) {
66 this.labelKey = labelKey;
67 }
68
69 public String getLabel() {
70 if (label == null) {
71 if (labelKey != null) {
72 label = MessageUtils.getMessage(this, labelKey);
73 }
74 else {
75 label = "Submit";
76 }
77 }
78 return label;
79 }
80
81 public void setLabel(String label) {
82 this.label = label;
83 }
84
85 public String getCssClass() {
86 if (cssClass == null) {
87 if (labelKey != null) {
88 int i = labelKey.lastIndexOf('.');
89 String s = i != -1 ? labelKey.substring(i + 1) : labelKey;
90 cssClass = "button button-" + FormatUtils.toCssClass(s);
91 }
92 else {
93 cssClass = "button button-" + FormatUtils.toCssClass(getLabel());
94 }
95 }
96 return cssClass;
97 }
98
99 public void setCssClass(String cssClass) {
100 this.cssClass = cssClass;
101 }
102
103 public void setSubmit(boolean submit) {
104 this.submit = submit;
105 }
106
107 public void setPartitialSubmit(String partitialSubmit) {
108 this.partitialSubmit = partitialSubmit;
109 this.submit = partitialSubmit != null;
110 }
111
112 public void setTabIndex(int tabIndex) {
113 this.tabIndex = tabIndex;
114 }
115
116 public void addClickListener(ClickListener listener) {
117 if (listeners == null) {
118 listeners = new ArrayList ();
119 }
120 listeners.add(listener);
121 }
122
123 public void processRequest(FormRequest request) {
124 String value = request.getParameter(getParamName());
125 clicked = value != null;
126 if (clicked) {
127 onClick();
128 }
129 }
130
131 public boolean isClicked() {
132 return this.clicked;
133 }
134
135 public void renderInternal(PrintWriter writer) {
136 TagWriter tag = new TagWriter(writer);
137 tag.startEmpty(Html.INPUT)
138 .attribute(Html.INPUT_TYPE, "submit")
139 .attribute(Html.COMMON_CLASS, getCssClass())
140 .attribute(Html.COMMON_ID, getId())
141 .attribute(Html.COMMON_TABINDEX, tabIndex)
142 .attribute(Html.INPUT_NAME, getParamName())
143 .attribute(Html.INPUT_VALUE, getLabel());
144
145 if (partitialSubmit != null) {
146 tag.attribute(Html.COMMON_ONCLICK, "submitElement('" +
147 partitialSubmit + "', this); return false;");
148 }
149 tag.end();
150 }
151
152 protected void onClick() {
153 log.debug("Button " + getId() + " clicked.");
154 fireClickEvent();
155 }
156
157 protected void fireClickEvent() {
158 if (listeners != null) {
159 ClickEvent event = new ClickEvent(this);
160 Iterator it = listeners.iterator();
161 while (it.hasNext()) {
162 ClickListener listener = (ClickListener) it.next();
163 listener.clicked(event);
164 }
165 }
166 }
167
168 public int getEventTypes() {
169 if (!submit && listeners != null) {
170 return JavaScriptEvent.ON_CLICK;
171 }
172 return 0;
173 }
174
175 public void handleJavaScriptEvent(JavaScriptEvent event) {
176 if (event.getType() == JavaScriptEvent.ON_CLICK) {
177 onClick();
178 }
179 }
180
181 }
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