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Code Issues Releases Wiki Activity

Extend link widget with additional attributes

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Add “tabindex”, “draggable” and “tag” attributes
This commit is contained in:
Jermolene
2015-02-23 11:23:44 +01:00
parent a507d58211 0bd2ec50e1
commit 950a86c7b7
2 changed files with 29 additions and 11 deletions
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core/modules/widgets/link.js
+25 -10
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@@ -53,8 +53,13 @@ Render this widget into the DOM
*/
LinkWidget.prototype.renderLink = function(parent,nextSibling) {
var self = this;
// Sanitise the specified tag
var tag = this.linkTag;
if($tw.config.htmlUnsafeElements.indexOf(tag) !== -1) {
tag = "a";
}
// Create our element
var domNode = this.document.createElement("a");
var domNode = this.document.createElement(tag);
// Assign classes
var classes = [];
if(this.linkClasses) {
@@ -78,7 +83,10 @@ LinkWidget.prototype.renderLink = function(parent,nextSibling) {
wikiLinkText = wikiLinkTemplate.replace("$uri_encoded$",encodeURIComponent(this.to));
wikiLinkText = wikiLinkText.replace("$uri_doubleencoded$",encodeURIComponent(encodeURIComponent(this.to)));
wikiLinkText = this.getVariable("tv-get-export-link",{params: [{name: "to",value: this.to}],defaultValue: wikiLinkText});
domNode.setAttribute("href",wikiLinkText);
if(tag === "a") {
domNode.setAttribute("href",wikiLinkText);
}
domNode.setAttribute("tabindex",this.tabIndex);
// Set the tooltip
// HACK: Performance issues with re-parsing the tooltip prevent us defaulting the tooltip to "<$transclude field='tooltip'><$transclude field='title'/></$transclude>"
var tooltipWikiText = this.tooltip || this.getVariable("tv-wikilink-tooltip");
@@ -98,9 +106,13 @@ LinkWidget.prototype.renderLink = function(parent,nextSibling) {
// Add a click event handler
$tw.utils.addEventListeners(domNode,[
{name: "click", handlerObject: this, handlerMethod: "handleClickEvent"},
{name: "dragstart", handlerObject: this, handlerMethod: "handleDragStartEvent"},
{name: "dragend", handlerObject: this, handlerMethod: "handleDragEndEvent"}
]);
if(this.draggable === "yes") {
$tw.utils.addEventListeners(domNode,[
{name: "dragstart", handlerObject: this, handlerMethod: "handleDragStartEvent"},
{name: "dragend", handlerObject: this, handlerMethod: "handleDragEndEvent"}
]);
}
// Insert the link into the DOM and render any children
parent.insertBefore(domNode,nextSibling);
this.renderChildren(domNode,null);
@@ -119,9 +131,11 @@ LinkWidget.prototype.handleClickEvent = function(event) {
},
navigateSuppressNavigation: event.metaKey || event.ctrlKey || (event.button === 1)
});
event.preventDefault();
event.stopPropagation();
return false;
if(this.domNodes[0].hasAttribute("href")) {
event.preventDefault();
event.stopPropagation();
return false;
}
};
LinkWidget.prototype.handleDragStartEvent = function(event) {
@@ -189,13 +203,14 @@ LinkWidget.prototype.handleDragEndEvent = function(event) {
Compute the internal state of the widget
*/
LinkWidget.prototype.execute = function() {
// Get the target tiddler title
// Pick up our attributes
this.to = this.getAttribute("to",this.getVariable("currentTiddler"));
// Get the link title and aria label
this.tooltip = this.getAttribute("tooltip");
this["aria-label"] = this.getAttribute("aria-label");
// Get the link classes
this.linkClasses = this.getAttribute("class");
this.tabIndex = this.getAttribute("tabindex");
this.draggable = this.getAttribute("draggable","yes");
this.linkTag = this.getAttribute("tag","a");
// Determine the link characteristics
this.isMissing = !this.wiki.tiddlerExists(this.to);
this.isShadow = this.wiki.isShadowTiddler(this.to);