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Posted to commits@wicket.apache.org by iv...@apache.org on 2008/06/25 16:34:37 UTC
svn commit: r671569 - in
/wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete:
AbstractAutoCompleteRenderer.java wicket-autocomplete.js
Author: ivaynberg
Date: Wed Jun 25 07:34:36 2008
New Revision: 671569
URL: http://svn.apache.org/viewvc?rev=671569&view=rev
Log:
WICKET-488
Modified:
wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java
wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/wicket-autocomplete.js
Modified: wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java?rev=671569&r1=671568&r2=671569&view=diff
==============================================================================
--- wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java (original)
+++ wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/AbstractAutoCompleteRenderer.java Wed Jun 25 07:34:36 2008
@@ -53,7 +53,11 @@
}
textValue = textValue.replaceAll("\\\"", """);
- response.write("<li textvalue=\"" + textValue + "\">");
+ response.write("<li textvalue=\"" + textValue + "\"");
+ final CharSequence handler = getOnSelectJavascriptExpression(object);
+ if(handler != null)
+ response.write(" onselect=\"" + handler + '"');
+ response.write(">");
renderChoice(object, response, criteria);
response.write("</li>");
}
@@ -94,4 +98,48 @@
* @return the text value that will be set on the textbox if this assist is selected
*/
protected abstract String getTextValue(T object);
+
+ /**
+ * Allows the execution of a custom javascript expression when an item is selected in the autocompleter popup (either by
+ * clicking on it or hitting enter on the current selection).
+ * <p/>
+ * The javascript to execute must be a javascript expression that will be processed using javascript's eval().
+ * The function should return the textvalue to copy it into the corresponding form input field (the default behavior).
+ *
+ * the current text value will be in variable 'input'.
+ *
+ * If the function returns <code>null</code> the chosen text value will be ignored.
+ * <p/>
+ * example 1:
+ * <pre>
+ * protected CharSequence getOnSelectJavascript(Address address)
+ * {
+ * final StringBuilder js = new StringBuilder();
+ * js.append("wicketGet('street').value ='" + address.getStreet() + "';");
+ * js.append("wicketGet('zipcode').value ='" + address.getZipCode() + "';");
+ * js.append("wicketGet('city').value ='" + address.getCity() + "';");
+ * js.append("input"); // <-- do not use return statement here!
+ * return js.toString();
+ * }
+ * </pre>
+ * example 2:
+ * <pre>
+ * protected CharSequence getOnSelectJavascript(Currency currency)
+ * {
+ * final StringBuilder js = new StringBuilder();
+ * js.append("val rate = ajaxGetExchangeRateForCurrency(currencySymbol);");
+ * js.append("if(rate == null) alert('exchange rate service currently not available');");
+ * js.append("rate");
+ * return js.toString();
+ * }
+ * </pre>
+ * Then the autocompleter popup will be closed.
+ *
+ * @param item the autocomplete item to get a custom javascript expression for
+ * @return javascript to execute on selection or <code>null</code> if default behavior is intented
+ */
+ protected CharSequence getOnSelectJavascriptExpression(T item)
+ {
+ return null;
+ }
}
Modified: wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/wicket-autocomplete.js
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/wicket-autocomplete.js?rev=671569&r1=671568&r2=671569&view=diff
==============================================================================
--- wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/wicket-autocomplete.js (original)
+++ wicket/trunk/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/autocomplete/wicket-autocomplete.js Wed Jun 25 07:34:36 2008
@@ -124,15 +124,18 @@
return killEvent(event);
break;
case KEY_ENTER:
- if(selected>-1){
- obj.value=getSelectedValue();
- hideAutoComplete();
- hidingAutocomplete=1;
- if(typeof objonchange=="function")objonchange();
- } else if (Wicket.AutoCompleteSettings.enterHidesWithNoSelection==true) {
- hideAutoComplete();
- hidingAutocomplete=1;
- }
+ if(selected > -1) {
+ var value = getSelectedValue();
+ if(value = handleSelection(value)) {
+ obj.value = value;
+ if(typeof objonchange=="function") objonchange();
+ }
+ hideAutoComplete();
+ hidingAutocomplete = 1;
+ } else if (Wicket.AutoCompleteSettings.enterHidesWithNoSelection) {
+ hideAutoComplete();
+ hidingAutocomplete = 1;
+ }
mouseactive=0;
if(typeof objonkeydown=="function")objonkeydown();
@@ -177,6 +180,12 @@
}
}
+ function handleSelection(input) {
+ var menu = getAutocompleteMenu();
+ var attr = menu.firstChild.childNodes[selected].attributes['onselect'];
+ return attr ? eval(attr.value) : input;
+ }
+
function getMenuId() {
return elementId+"-autocomplete";
}
@@ -216,6 +225,12 @@
return node;
}
+ function handleSelection(input) {
+ var menu = getAutocompleteMenu();
+ var attr = menu.firstChild.childNodes[selected].attributes['onselect'];
+ return attr ? eval(attr.value) : input;
+ }
+
function killEvent(event){
if(!event)event=window.event;
if(!event)return false;
@@ -306,9 +321,12 @@
var clickFunc = function(event){
mouseactive=0;
- wicketGet(elementId).value=getSelectedValue();
- if(typeof objonchange=="function")objonchange();
+ var value = getSelectedValue();
+ if(value = handleSelection(value)) {
+ wicketGet(elementId).value=value;
+ if (typeof objonchange=="function") {objonchange();}
hideAutoComplete();
+ }
};
var mouseOverFunc = function(event){