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RetroZilla/extensions/xforms/resources/content/selects.xml

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<?xml version="1.0"?>
<!-- ***** BEGIN LICENSE BLOCK *****
- Version: MPL 1.1/GPL 2.0/LGPL 2.1
-
- The contents of this file are subject to the Mozilla Public License Version
- 1.1 (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
- http://www.mozilla.org/MPL/
-
- Software distributed under the License is distributed on an "AS IS" basis,
- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- for the specific language governing rights and limitations under the
- License.
-
- The Original Code is Mozilla XForms support.
-
- The Initial Developer of the Original Code is
- Mozilla Foundation.
- Portions created by the Initial Developer are Copyright (C) 2006
- the Initial Developer. All Rights Reserved.
-
- Contributor(s):
- Alexander Surkov <surkov.alexander@gmail.com> (original author)
-
- Alternatively, the contents of this file may be used under the terms of
- either the GNU General Public License Version 2 or later (the "GPL"), or
- the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- in which case the provisions of the GPL or the LGPL are applicable instead
- of those above. If you wish to allow use of your version of this file only
- under the terms of either the GPL or the LGPL, and not to allow others to
- use your version of this file under the terms of the MPL, indicate your
- decision by deleting the provisions above and replace them with the notice
- and other provisions required by the GPL or the LGPL. If you do not delete
- the provisions above, a recipient may use your version of this file under
- the terms of any one of the MPL, the GPL or the LGPL.
-
- ***** END LICENSE BLOCK ***** -->
<bindings id="xformsSelectsBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:html="http://www.w3.org/1999/xhtml"
xmlns:xbl="http://www.mozilla.org/xbl">
<!--
This file implements the "abstract" UI classes for XForms select/select1
controls. The approach used here is different from approach that is realized
in select.xml file. Here we don't build programmaticaly native widget that
will represent select/select1 control. Instead that every item or choices
element is visible and represented. An example is the controls for XHTML in
select-xhtml.xml.
-->
<!-- BASE for select/select1 elements.
Right now this binding is used only by full appearance select/select1
elements. Be care with this accessible type and implementation logic if you
want to use this binding for other types of select/select1 elements.
-->
<binding id="selectcontrols-base"
extends="chrome://xforms/content/xforms.xml#xformswidget-base">
<implementation implements="nsIXFormsUIWidget">
<!-- nsIXFormsUIWidget -->
<method name="refresh">
<body>
<![CDATA[
var boundNode = this.accessors.getBoundNode();
if (!boundNode)
return null;
// Make sure that 'getNodesArray' method is called before
// 'getValuesArray' method because nodes array returned by
// 'getNodesArray' is used by 'getValuesArray' method.
this.nodes = this.getNodesArray(boundNode);
this.values = this.getValuesArray(boundNode);
this.traverseItems(this, this.selectItemElements);
var outOfRange = this.isOutOfRange(this.values) ||
this.isOutOfRange(this.nodes);
if (this.outOfRange == null || this.outOfRange != outOfRange) {
this.accessors.setInRange(!outOfRange);
this.outOfRange = outOfRange;
}
]]>
</body>
</method>
<method name="focus">
<body>
function focusItem(aItem) {
if (!aItem.disabled)
aItem.focus();
return aItem.disabled;
}
this.traverseItems(this, focusItem);
</body>
</method>
<property name="incremental">
<getter>
return this.getAttribute("incremental") != "false";
</getter>
<setter>
if (!val)
this.setAttribute("incremental", "false");
else
this.removeAttribute("incremental");
</setter>
</property>
<!-- private -->
<!-- Run through xforms:item elements and select them if needed. If
xforms:item element contains xforms:value element value of which is
matched with item of given values array or if it contains xforms:copy
element value of which is matched with item of given nodes array then
that xforms:item element will be selected.
The method is used in conjunction with traverseItems method.
@param aItem - current traversed item element
-->
<method name="selectItemElements">
<parameter name="aItem"/>
<body>
<![CDATA[
aItem.disabled = this.accessors.isReadonly();
if (aItem.isCopyItem) {
if (!this.nodes || !aItem.copyNode) {
// aNodes is empty only if select controls is bound to non element
// node. We just disable item element since it's value can't be
// saved in bound node.
aItem.disabled = true;
return true;
}
for (var i = 0; i < this.nodes.length; i++) {
if (aItem.copyNodeEquals(this.nodes[i].node)) {
aItem.selected = true;
this.nodes[i].isUsed = true;
return true;
}
}
} else {
for (var i = 0; i < this.values.length; i++) {
if (this.values[i].value == aItem.value) {
aItem.selected = true;
this.values[i].isUsed = true;
return true;
}
}
}
if (aItem.selected)
aItem.selected = false;
return true;
]]>
</body>
</method>
<!-- Return array of values each of them item elemnent should be selected
for. -->
<method name="getValuesArray">
<parameter name="aNode"/>
<body>
<![CDATA[
var nsIDOMNode = Components.interfaces.nsIDOMNode;
var whiteSpaceExpr = /\n|\t|\r/g;
var array = [];
if (aNode.nodeType != nsIDOMNode.ELEMENT_NODE) {
if (/\S/.test(aNode.nodeValue)) {
var values = this.getValuesArrayFor(aNode.nodeValue,
whiteSpaceExpr);
for (var i = 0; i < values.length; i++)
array.push({value: values[i], isUsed: false});
} else {
array.push({value: "", isUsed: false});
}
return array;
}
if (!aNode.hasChildNodes()) {
array.push({value: "", isUsed: false});
return array;
}
for (var child = aNode.firstChild; child; child = child.nextSibling) {
if ((child.nodeType == nsIDOMNode.TEXT_NODE ||
child.nodeType == nsIDOMNode.CDATA_SECTION_NODE) &&
child.nodeValue) {
if (/\S/.test(child.nodeValue)) {
var values = this.getValuesArrayFor(child.nodeValue,
whiteSpaceExpr)
for (var i = 0; i < values.length; i++)
array.push({value: values[i], isUsed: false});
} else if (!array.length && !this.nodes) {
array.push({value: "", isUsed: false});
}
}
}
return array;
]]>
</body>
</method>
<!-- Exctact values from given string and return array of values. Should
be implemented by successor bindings. -->
<method name="getValuesArrayFor">
<parameter name="aString"/>
<parameter name="aWhiteSpaceExpr"/>
<body>
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
</body>
</method>
<!-- Return array of copy nodes each of them item element should be
selected for. If bound node is not element node then return null. -->
<method name="getNodesArray">
<parameter name="aNode"/>
<body>
var nsIDOMNode = Components.interfaces.nsIDOMNode;
if (aNode.nodeType != nsIDOMNode.ELEMENT_NODE)
return;
var array = [];
for (var child = aNode.firstChild; child; child = child.nextSibling) {
if (child.nodeType == nsIDOMNode.ELEMENT_NODE)
array.push({node: child, isUsed: false});
}
return array;
</body>
</method>
<!-- Return true if instance data can't be presented by select element.
Should be implemented by successors bindings. -->
<method name="isOutOfRange">
<body>
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
</body>
</method>
<!-- Update instance node. This method is called when selection of select
element is changed.
@param aIncremental - specifies if instance node should be updated
incrementally.
-->
<method name="updateInstanceData">
<parameter name="aIncremental"/>
<body>
<![CDATA[
if (aIncremental != this.incremental)
return;
var node = this.accessors.getBoundNode();
if (!node)
return;
node = node.cloneNode(false);
node.textContent = "";
var forceRebuild = {value: false};
this.traverseItems(this, this.buildInstanceData, node, forceRebuild);
var nsIDOMNode = Components.interfaces.nsIDOMNode;
if (node.nodeType != nsIDOMNode.ELEMENT_NODE || !forceRebuild.value) {
if (node.firstChild &&
(node.firstChild.nodeType == nsIDOMNode.TEXT_NODE ||
node.firstChild.nodeType == nsIDOMNode.CDATA_SECTION_NODE))
this.accessors.setValue(node.firstChild.nodeValue);
else
this.accessors.setValue("");
} else {
this.accessors.setContent(node, true);
}
]]>
</body>
</method>
<!-- Run through item elements and build content of instance node for
selected item elements.
@param aItem - currently traversed item element
@param aInstanceNode - new generated instance node
@param aForceRebuild - object, its 'value' property should have value
'true' if copy item element was been selected or
deselected.
-->
<method name="buildInstanceData">
<parameter name="aItem"/>
<parameter name="aInstanceNode"/>
<parameter name="aForceRebuild"/>
<body>
<![CDATA[
if (aItem.isCopyItem) {
// Per specs we should fire 'xforms-binding-exception' event if
// bound node is not element and copy item is selected. We don't do
// it because in this case copy items are disabled and can't be
// selected.
var wasSelected = false;
if (this.nodes) {
for (var i = 0; i < this.nodes.length; i++) {
if (aItem.copyNodeEquals(this.nodes[i].node)) {
wasSelected = true;
break;
}
}
}
if (wasSelected != aItem.selected)
aForceRebuild.value = true;
if (aItem.selected) {
var importedNode =
aInstanceNode.ownerDocument.importNode(aItem.copyNode, true);
aInstanceNode.appendChild(importedNode);
}
return true;
}
if (!aItem.selected)
return true;
var nsIDOMNode = Components.interfaces.nsIDOMNode;
if (aInstanceNode.nodeType != nsIDOMNode.ELEMENT_NODE) {
if (aInstanceNode.textContent)
aInstanceNode.textContent += " ";
aInstanceNode.textContent += aItem.value;
return true;
}
var fchild = aInstanceNode.firstChild;
if (fchild && (fchild.nodeType == nsIDOMNode.TEXT_NODE ||
fchild.nodeType == nsIDOMNode.CDATA_SECTION_NODE)) {
if (fchild.nodeValue)
fchild.nodeValue += " ";
fchild.nodeValue += aItem.value;
} else {
var textnode =
aInstanceNode.ownerDocument.createTextNode(aItem.value);
if (fchild)
aInstanceNode.insertBefore(textnode, fchild);
else
aInstanceNode.appendChild(textnode);
}
return true;
]]>
</body>
</method>
<!-- Run through select child elements and invokes given function for
every item element until given function retunrs false.
@param aContextNode - current select child node
@param aFunc - the function that is invoked if current node is item
element, if function returns true then traversing is
stopped
@param aFuncArg1 - 1st argument that is passed to function
@param aFuncArg2 - 2nd argument that is passed to function
@param aUpDirection - specifies direction of items navigation
-->
<method name="traverseItems">
<parameter name="aContextNode"/>
<parameter name="aFunc"/>
<parameter name="aFuncArg1"/>
<parameter name="aFuncArg2"/>
<parameter name="aUpDirection"/>
<body>
<![CDATA[
if (aContextNode.namespaceURI != this.XFORMS_NS)
return true;
var container;
switch (aContextNode.localName) {
case "select":
case "select1":
case "choices":
container = aContextNode;
break;
case "itemset":
container = aContextNode.anonymousItemSetContent;
break;
case "item":
var item = aContextNode.
QueryInterface(Components.interfaces.nsIXFormsItemElement);
if (!aFunc.call(this, item, aFuncArg1, aFuncArg2))
return false;
}
if (container) {
var child =
aUpDirection ? container.lastChild : container.firstChild;
while (child) {
var res = this.traverseItems(child, aFunc, aFuncArg1, aFuncArg2,
aUpDirection);
if (!res)
return false;
child = aUpDirection ? child.previousSibling : child.nextSibling;
}
}
return true;
]]>
</body>
</method>
<!-- Cycally traverse item elements for specified direction and invokes
given function for every item element.
@param aItemNode - start item element
@param aUpDirection - if true then then item elements are traversed in
up direction
@param aFunc, aFuncArg1, aFuncArg2 - invoked function and its arguments
@param aCurrNode - current traversed node, used internally
-->
<method name="cycleTraverseItems">
<parameter name="aItemNode"/>
<parameter name="aUpDirection"/>
<parameter name="aFunc"/>
<parameter name="aFuncArg1"/>
<parameter name="aFuncArg2"/>
<parameter name="aCurrNode"/>
<body>
if (aCurrNode == aItemNode)
return false;
if (!aCurrNode) {
if (aItemNode.namespaceURI != this.XFORMS_NS ||
aItemNode.localName != "item")
return false;
aCurrNode = aItemNode;
}
var next = aUpDirection ? aCurrNode.previousSibling :
aCurrNode.nextSibling;
if (next) {
var res = this.traverseItems(next, aFunc, aFuncArg1, aFuncArg2,
aUpDirection);
if (!res)
return false;
return this.cycleTraverseItems(aItemNode, aUpDirection, aFunc,
aFuncArg1, aFuncArg2, next);
}
var parent = aCurrNode;
while (parent = parent.parentNode) {
if (parent.namespaceURI == this.XFORMS_NS) {
switch (parent.localName) {
case "choices":
case "itemset":
next = parent;
break;
case "select":
case "select1":
next = aUpDirection ? parent.lastChild : parent.firstChild;
break;
}
if (next)
return this.cycleTraverseItems(aItemNode, aUpDirection, aFunc,
aFuncArg1, aFuncArg2, next);
}
}
return true;
</body>
</method>
<!-- Storage for previous value of 'in-range' state of select element -->
<field name="outOfRange">null</field>
<!-- Arrays of selected values and nodes that combine to build the content
of the bound instance node. -->
<field name="values">null</field>
<field name="nodes">null</field>
</implementation>
</binding>
<!-- SELECT: BASE -->
<binding id="select-base"
extends="#selectcontrols-base">
<implementation implements="nsIXFormsNSSelectElement">
<!-- nsIXFormsNSSelectElement -->
<property name="selectedItems" readonly="true">
<getter>
function _isSelected(aItem, aItemList) {
if (aItem.selected)
aItemList.push(aItem);
return true;
}
var list = [];
this.traverseItems(this, _isSelected, list);
return list;
</getter>
</property>
<method name="addItemToSelection">
<parameter name="aItem"/>
<body>
if (aItem)
aItem.selected = true;
</body>
</method>
<method name="removeItemFromSelection">
<parameter name="aItem"/>
<body>
if (aItem)
aItem.selected = false;
</body>
</method>
<method name="clearSelection">
<body>
function _clearSelection(aItem) {
aItem.selected = false;
return true;
}
this.traverseItems(this, _clearSelection);
</body>
</method>
<method name="selectAll">
<body>
function _selectAll(aItem) {
aItem.selected = true;
return true;
}
this.traverseItems(this, _selectAll);
</body>
</method>
<method name="isItemSelected">
<parameter name="aItem"/>
<body>
return aItem ? aItem.selected : false;
</body>
</method>
<!-- Private implementation -->
<method name="getValuesArrayFor">
<parameter name="aString"/>
<parameter name="aWhiteSpaceExpr"/>
<body>
// A limitation of the XML Schema list datatypes is that white space
// characters in the storage values (the value element) are always
// interpreted as separators between individual data values.
// Therefore, authors should avoid using white space characters within
// storage values with list simpleContent.
// Replace new line (\n), tabs (\t) and carriage returns (\r) with
// space (" ").
var value = aString.replace(aWhiteSpaceExpr, " ");
return value.split(/\s/);
</body>
</method>
<method name="updateInstanceNodeByItem">
<parameter name="aIncremental"/>
<parameter name="aItem"/>
<body>
<![CDATA[
if (aIncremental) {
// Fire 'select'/'deselect' only if user changed the select value.
// per errata for XForms 1.0 second edition, we send the event to
// the item even if it is contained inside an itemset
var eventName = aItem.selected ? "xforms-select" : "xforms-deselect";
this.dispatchXFormsNotificationEvent(eventName, aItem);
}
this.updateInstanceData(aIncremental);
]]>
</body>
</method>
<method name="isOutOfRange">
<parameter name="aHitArray"/>
<body>
<![CDATA[
if (!aHitArray)
return false;
var i = 0;
for (; i < aHitArray.length && aHitArray[i].isUsed; ++i);
return i != aHitArray.length;
]]>
</body>
</method>
</implementation>
</binding>
<!-- SELECT1: BASE -->
<binding id="select1-base"
extends="#selectcontrols-base">
<implementation implements="nsIXFormsNSSelect1Element">
<!-- nsIXFormsNSSelect1Element -->
<property name="selectedItem">
<getter>
function getSelectedItem(aItem, aSelectedItem) {
if (aItem.selected)
aSelectedItem.value = aItem;
return !aItem.selected;
}
var selectedItem = {value: null};
this.traverseItems(this, getSelectedItem, selectedItem);
return selectedItem.value;
</getter>
<setter>
function setSelectedItem(aItem, aSelectedItem) {
aItem.selected = aItem == aSelectedItem;
return true;
}
this.traverseItems(this, setSelectedItem, val);
</setter>
</property>
<!-- Private implementation -->
<method name="getValuesArrayFor">
<parameter name="aString"/>
<parameter name="aWhiteSpaceExpr"/>
<body>
return [aString];
</body>
</method>
<method name="updateInstanceNodeByItem">
<parameter name="aIncremental"/>
<parameter name="aItem"/>
<body>
<![CDATA[
if (aIncremental) {
// Fire 'select'/'deselect' only if user changed the select1 value.
// per errata for XForms 1.0 second edition, we send the event
// to the item even if it is contained by an itemset
function _unselectItems(aItem, aNewSelectedItem, aTarget) {
if (aItem != aNewSelectedItem) {
if (aItem.selected) {
aItem.selected = false;
this.dispatchXFormsNotificationEvent("xforms-deselect",
aTarget);
return false;
}
}
return true;
}
this.traverseItems(this, _unselectItems, aItem, aItem);
var eventName = aItem.selected ? "xforms-select" : "xforms-deselect";
this.dispatchXFormsNotificationEvent(eventName, aItem);
}
this.updateInstanceData(aIncremental);
]]>
</body>
</method>
<method name="isOutOfRange">
<parameter name="aHitArray"/>
<body>
<![CDATA[
return aHitArray && (aHitArray.length > 1 || aHitArray.length == 1 &&
!aHitArray[0].isUsed);
]]>
</body>
</method>
</implementation>
</binding>
<!-- ITEMSET -->
<binding id="itemset"
extends="chrome://xforms/content/xforms.xml#xformswidget-base">
<content>
<html:div style="display:none;">
<children/>
</html:div>
<html:div anonid="insertion"/>
</content>
<implementation implements="nsIXFormsItemSetUIElement">
<field name="_anonymousItemSetContent">null</field>
<property name="anonymousItemSetContent" readonly="true">
<getter>
if (!this._anonymousItemSetContent) {
this._anonymousItemSetContent =
document.getAnonymousElementByAttribute(this, "anonid", "insertion");
}
return this._anonymousItemSetContent;
</getter>
</property>
</implementation>
</binding>
<!-- ITEM -->
<binding id="select-item-base"
extends="chrome://xforms/content/xforms.xml#xformswidget-general">
<implementation>
<!-- interface -->
<property name="selected"
onget="throw Error(Components.results.NS_ERROR_NOT_IMPLEMENTED);"
onset="throw Error(Components.results.NS_ERROR_NOT_IMPLEMENTED);"/>
<property name="disabled"
onget="throw Error(Components.results.NS_ERROR_NOT_IMPLEMENTED);"
onset="throw Error(Components.results.NS_ERROR_NOT_IMPLEMENTED);"/>
<method name="focus">
<body>
this.control.focus();
</body>
</method>
<!-- successor's interface -->
<method name="updateInstanceData">
<parameter name="aIncremental"/>
<body>
if (this.selectControl)
this.selectControl.updateInstanceNodeByItem(aIncremental, this);
</body>
</method>
<!-- private -->
<property name="selectControl" readonly="true">
<getter>
<![CDATA[
if (!this._selectControl) {
var node = this;
while (node = node.parentNode) {
if (node.namespaceURI == this.XFORMS_NS &&
(node.localName == "select" || node.localName == "select1")) {
this._selectControl = node;
break;
}
}
}
return this._selectControl;
]]>
</getter>
</property>
<field name="_selectControl">null</field>
</implementation>
</binding>
</bindings>
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