com.sun.webui.jsf.suntheme.javascript.dropDown.js Maven / Gradle / Ivy
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define(["webui/suntheme/common"], function(common) {
return {
/**
* Use this function to access the HTML select element that makes up
* the dropDown.
*
* @param elementId The component id of the JSF component (this id is
* assigned to the span tag enclosing the HTML elements that make up
* the dropDown).
* @return a reference to the select element.
*/
getSelectElement: function(elementId) {
var element = document.getElementById(elementId);
if(element != null) {
if(element.tagName == "SELECT") {
return element;
}
}
return document.getElementById(elementId + "_list");
},
/**
* This function is invoked by the choice onselect action to set the
* selected, and disabled styles.
*
* Page authors should invoke this function if they set the
* selection using JavaScript.
*
* @param elementId The component id of the JSF component (this id is
* rendered in the div tag enclosing the HTML elements that make up
* the list).
* @return true if successful; otherwise, false
*/
changed: function(elementId) {
var listItem = this.getSelectElement(elementId).options;
//disabled items should not be selected (IE problem)
//So setting selectedIndex = -1 for disabled items.
if (common.browser.is_ie) {
for(var i = 0;i < listItem.length;++i) {
if(listItem[i].disabled == true &&
listItem[i].selected == true) {
listItem.selectedIndex = -1;
}
}
}
for (var cntr=0; cntr < listItem.length; ++cntr) {
if (listItem[cntr].className == "MnuStdOptSep_sun4"
|| listItem[cntr].className == "MnuStdOptGrp_sun4") {
continue;
} else if (listItem[cntr].disabled) {
// Regardless if the option is currently selected or not,
// the disabled option style should be used when the option
// is disabled. So, check for the disabled item first.
// See CR 6317842.
listItem[cntr].className = "MnuStdOptDis_sun4";
} else if (listItem[cntr].selected) {
listItem[cntr].className = "MnuStdOptSel_sun4";
} else {
// This does not work on Opera 7. There is a bug such that if
// you touch the option at all (even if I explicitly set
// selected to false!), it goes back to the original
// selection.
listItem[cntr].className = "MnuStdOpt_sun4";
}
}
return true;
},
/**
* Set the disabled state for given dropdown element Id. If the disabled
* state is set to true, the element is shown with disabled styles.
*
* Page authors should invoke this function if they dynamically
* enable or disable a dropdown using JavaScript.
*
* @param elementId The component id of the JSF component (this id is
* rendered in the div tag enclosing the HTML elements that make up
* the list).
* @param disabled true or false
* @return true if successful; otherwise, false
*/
setDisabled: function(elementId, disabled) {
var choice = this.getSelectElement(elementId);
if(disabled) {
choice.disabled = true;
choice.className = "MnuStdDis_sun4";
} else {
choice.disabled = false;
choice.className = "MnuStd_sun4";
}
return true;
},
/**
* Invoke this JavaScript function to get the value of the first
* selected option on the dropDown. If no option is selected, this
* function returns null.
*
* @param elementId The component id of the JSF component (this id is
* rendered in the div tag enclosing the HTML elements that make up
* the list).
* @return The value of the selected option, or null if none is
* selected.
*/
getSelectedValue: function(elementId) {
var dropDown = this.getSelectElement(elementId);
var index = dropDown.selectedIndex;
if(index == -1) {
return null;
} else {
return dropDown.options[index].value;
}
},
/**
* Invoke this JavaScript function to get the label of the first
* selected option on the dropDown. If no option is selected, this
* function returns null.
*
* @param elementId The component id of the JSF component (this id is
* rendered in the div tag enclosing the HTML elements that make up
* the list).
* @return The label of the selected option, or null if none is
* selected.
*/
getSelectedLabel: function(elementId) {
var dropDown = this.getSelectElement(elementId);
var index = dropDown.selectedIndex;
if(index == -1) {
return null;
} else {
return dropDown.options[index].label;
}
}
};
});