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tt-rss/lib/dijit/InlineEditBox.js

590 lines
20 KiB
JavaScript

/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit.InlineEditBox"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.InlineEditBox"] = true;
dojo.provide("dijit.InlineEditBox");
dojo.require("dojo.i18n");
dojo.require("dijit._Widget");
dojo.require("dijit._Container");
dojo.require("dijit.form.Button");
dojo.require("dijit.form.TextBox");
dojo.requireLocalization("dijit", "common", null, "ROOT,ar,ca,cs,da,de,el,es,fi,fr,he,hu,it,ja,kk,ko,nb,nl,pl,pt,pt-pt,ro,ru,sk,sl,sv,th,tr,zh,zh-tw");
dojo.declare("dijit.InlineEditBox",
dijit._Widget,
{
// summary:
// An element with in-line edit capabilites
//
// description:
// Behavior for an existing node (`<p>`, `<div>`, `<span>`, etc.) so that
// when you click it, an editor shows up in place of the original
// text. Optionally, Save and Cancel button are displayed below the edit widget.
// When Save is clicked, the text is pulled from the edit
// widget and redisplayed and the edit widget is again hidden.
// By default a plain Textarea widget is used as the editor (or for
// inline values a TextBox), but you can specify an editor such as
// dijit.Editor (for editing HTML) or a Slider (for adjusting a number).
// An edit widget must support the following API to be used:
// - displayedValue or value as initialization parameter,
// and available through set('displayedValue') / set('value')
// - void focus()
// - DOM-node focusNode = node containing editable text
// editing: [readonly] Boolean
// Is the node currently in edit mode?
editing: false,
// autoSave: Boolean
// Changing the value automatically saves it; don't have to push save button
// (and save button isn't even displayed)
autoSave: true,
// buttonSave: String
// Save button label
buttonSave: "",
// buttonCancel: String
// Cancel button label
buttonCancel: "",
// renderAsHtml: Boolean
// Set this to true if the specified Editor's value should be interpreted as HTML
// rather than plain text (ex: `dijit.Editor`)
renderAsHtml: false,
// editor: String|Function
// Class name (or reference to the Class) for Editor widget
editor: "dijit.form.TextBox",
// editorWrapper: String|Function
// Class name (or reference to the Class) for widget that wraps the editor widget, displaying save/cancel
// buttons.
editorWrapper: "dijit._InlineEditor",
// editorParams: Object
// Set of parameters for editor, like {required: true}
editorParams: {},
// disabled: Boolean
// If true, clicking the InlineEditBox to edit it will have no effect.
disabled: false,
onChange: function(value){
// summary:
// Set this handler to be notified of changes to value.
// tags:
// callback
},
onCancel: function(){
// summary:
// Set this handler to be notified when editing is cancelled.
// tags:
// callback
},
// width: String
// Width of editor. By default it's width=100% (ie, block mode).
width: "100%",
// value: String
// The display value of the widget in read-only mode
value: "",
// noValueIndicator: [const] String
// The text that gets displayed when there is no value (so that the user has a place to click to edit)
noValueIndicator: dojo.isIE <= 6 ? // font-family needed on IE6 but it messes up IE8
"<span style='font-family: wingdings; text-decoration: underline;'>&nbsp;&nbsp;&nbsp;&nbsp;&#x270d;&nbsp;&nbsp;&nbsp;&nbsp;</span>" :
"<span style='text-decoration: underline;'>&nbsp;&nbsp;&nbsp;&nbsp;&#x270d;&nbsp;&nbsp;&nbsp;&nbsp;</span>",
constructor: function(){
// summary:
// Sets up private arrays etc.
// tags:
// private
this.editorParams = {};
},
postMixInProperties: function(){
this.inherited(arguments);
// save pointer to original source node, since Widget nulls-out srcNodeRef
this.displayNode = this.srcNodeRef;
// connect handlers to the display node
var events = {
ondijitclick: "_onClick",
onmouseover: "_onMouseOver",
onmouseout: "_onMouseOut",
onfocus: "_onMouseOver",
onblur: "_onMouseOut"
};
for(var name in events){
this.connect(this.displayNode, name, events[name]);
}
dijit.setWaiRole(this.displayNode, "button");
if(!this.displayNode.getAttribute("tabIndex")){
this.displayNode.setAttribute("tabIndex", 0);
}
if(!this.value && !("value" in this.params)){ // "" is a good value if specified directly so check params){
this.value = dojo.trim(this.renderAsHtml ? this.displayNode.innerHTML :
(this.displayNode.innerText||this.displayNode.textContent||""));
}
if(!this.value){
this.displayNode.innerHTML = this.noValueIndicator;
}
dojo.addClass(this.displayNode, 'dijitInlineEditBoxDisplayMode');
},
setDisabled: function(/*Boolean*/ disabled){
// summary:
// Deprecated. Use set('disabled', ...) instead.
// tags:
// deprecated
dojo.deprecated("dijit.InlineEditBox.setDisabled() is deprecated. Use set('disabled', bool) instead.", "", "2.0");
this.set('disabled', disabled);
},
_setDisabledAttr: function(/*Boolean*/ disabled){
// summary:
// Hook to make set("disabled", ...) work.
// Set disabled state of widget.
dijit.setWaiState(this.domNode, "disabled", disabled);
if(disabled){
this.displayNode.removeAttribute("tabIndex");
}else{
this.displayNode.setAttribute("tabIndex", 0);
}
dojo.toggleClass(this.displayNode, "dijitInlineEditBoxDisplayModeDisabled", disabled);
this._set("disabled", disabled);
},
_onMouseOver: function(){
// summary:
// Handler for onmouseover and onfocus event.
// tags:
// private
if(!this.disabled){
dojo.addClass(this.displayNode, "dijitInlineEditBoxDisplayModeHover");
}
},
_onMouseOut: function(){
// summary:
// Handler for onmouseout and onblur event.
// tags:
// private
dojo.removeClass(this.displayNode, "dijitInlineEditBoxDisplayModeHover");
},
_onClick: function(/*Event*/ e){
// summary:
// Handler for onclick event.
// tags:
// private
if(this.disabled){ return; }
if(e){ dojo.stopEvent(e); }
this._onMouseOut();
// Since FF gets upset if you move a node while in an event handler for that node...
setTimeout(dojo.hitch(this, "edit"), 0);
},
edit: function(){
// summary:
// Display the editor widget in place of the original (read only) markup.
// tags:
// private
if(this.disabled || this.editing){ return; }
this.editing = true;
// save some display node values that can be restored later
this._savedPosition = dojo.style(this.displayNode, "position") || "static";
this._savedOpacity = dojo.style(this.displayNode, "opacity") || "1";
this._savedTabIndex = dojo.attr(this.displayNode, "tabIndex") || "0";
if(this.wrapperWidget){
var ew = this.wrapperWidget.editWidget;
ew.set("displayedValue" in ew ? "displayedValue" : "value", this.value);
}else{
// Placeholder for edit widget
// Put place holder (and eventually editWidget) before the display node so that it's positioned correctly
// when Calendar dropdown appears, which happens automatically on focus.
var placeholder = dojo.create("span", null, this.domNode, "before");
// Create the editor wrapper (the thing that holds the editor widget and the save/cancel buttons)
var ewc = typeof this.editorWrapper == "string" ? dojo.getObject(this.editorWrapper) : this.editorWrapper;
this.wrapperWidget = new ewc({
value: this.value,
buttonSave: this.buttonSave,
buttonCancel: this.buttonCancel,
dir: this.dir,
lang: this.lang,
tabIndex: this._savedTabIndex,
editor: this.editor,
inlineEditBox: this,
sourceStyle: dojo.getComputedStyle(this.displayNode),
save: dojo.hitch(this, "save"),
cancel: dojo.hitch(this, "cancel")
}, placeholder);
if(!this._started){
this.startup();
}
}
var ww = this.wrapperWidget;
if(dojo.isIE){
dijit.focus(dijit.getFocus()); // IE (at least 8) needs help with tab order changes
}
// to avoid screen jitter, we first create the editor with position:absolute, visibility:hidden,
// and then when it's finished rendering, we switch from display mode to editor
// position:absolute releases screen space allocated to the display node
// opacity:0 is the same as visibility:hidden but is still focusable
// visiblity:hidden removes focus outline
dojo.style(this.displayNode, { position: "absolute", opacity: "0", display: "none" }); // makes display node invisible, display style used for focus-ability
dojo.style(ww.domNode, { position: this._savedPosition, visibility: "visible", opacity: "1" });
dojo.attr(this.displayNode, "tabIndex", "-1"); // needed by WebKit for TAB from editor to skip displayNode
// Replace the display widget with edit widget, leaving them both displayed for a brief time so that
// focus can be shifted without incident. (browser may needs some time to render the editor.)
setTimeout(dojo.hitch(this, function(){
ww.focus(); // both nodes are showing, so we can switch focus safely
ww._resetValue = ww.getValue();
}), 0);
},
_onBlur: function(){
// summary:
// Called when focus moves outside the InlineEditBox.
// Performs garbage collection.
// tags:
// private
this.inherited(arguments);
if(!this.editing){
/* causes IE focus problems, see TooltipDialog_a11y.html...
setTimeout(dojo.hitch(this, function(){
if(this.wrapperWidget){
this.wrapperWidget.destroy();
delete this.wrapperWidget;
}
}), 0);
*/
}
},
destroy: function(){
if(this.wrapperWidget && !this.wrapperWidget._destroyed){
this.wrapperWidget.destroy();
delete this.wrapperWidget;
}
this.inherited(arguments);
},
_showText: function(/*Boolean*/ focus){
// summary:
// Revert to display mode, and optionally focus on display node
// tags:
// private
var ww = this.wrapperWidget;
dojo.style(ww.domNode, { position: "absolute", visibility: "hidden", opacity: "0" }); // hide the editor from mouse/keyboard events
dojo.style(this.displayNode, { position: this._savedPosition, opacity: this._savedOpacity, display: "" }); // make the original text visible
dojo.attr(this.displayNode, "tabIndex", this._savedTabIndex);
if(focus){
dijit.focus(this.displayNode);
}
},
save: function(/*Boolean*/ focus){
// summary:
// Save the contents of the editor and revert to display mode.
// focus: Boolean
// Focus on the display mode text
// tags:
// private
if(this.disabled || !this.editing){ return; }
this.editing = false;
var ww = this.wrapperWidget;
var value = ww.getValue();
this.set('value', value); // display changed, formatted value
this._showText(focus); // set focus as needed
},
setValue: function(/*String*/ val){
// summary:
// Deprecated. Use set('value', ...) instead.
// tags:
// deprecated
dojo.deprecated("dijit.InlineEditBox.setValue() is deprecated. Use set('value', ...) instead.", "", "2.0");
return this.set("value", val);
},
_setValueAttr: function(/*String*/ val){
// summary:
// Hook to make set("value", ...) work.
// Inserts specified HTML value into this node, or an "input needed" character if node is blank.
val = dojo.trim(val);
var renderVal = this.renderAsHtml ? val : val.replace(/&/gm, "&amp;").replace(/</gm, "&lt;").replace(/>/gm, "&gt;").replace(/"/gm, "&quot;").replace(/\n/g, "<br>");
this.displayNode.innerHTML = renderVal || this.noValueIndicator;
this._set("value", val);
if(this._started){
// tell the world that we have changed
setTimeout(dojo.hitch(this, "onChange", val), 0); // setTimeout prevents browser freeze for long-running event handlers
}
},
getValue: function(){
// summary:
// Deprecated. Use get('value') instead.
// tags:
// deprecated
dojo.deprecated("dijit.InlineEditBox.getValue() is deprecated. Use get('value') instead.", "", "2.0");
return this.get("value");
},
cancel: function(/*Boolean*/ focus){
// summary:
// Revert to display mode, discarding any changes made in the editor
// tags:
// private
if(this.disabled || !this.editing){ return; }
this.editing = false;
// tell the world that we have no changes
setTimeout(dojo.hitch(this, "onCancel"), 0); // setTimeout prevents browser freeze for long-running event handlers
this._showText(focus);
}
});
dojo.declare(
"dijit._InlineEditor",
[dijit._Widget, dijit._Templated],
{
// summary:
// Internal widget used by InlineEditBox, displayed when in editing mode
// to display the editor and maybe save/cancel buttons. Calling code should
// connect to save/cancel methods to detect when editing is finished
//
// Has mainly the same parameters as InlineEditBox, plus these values:
//
// style: Object
// Set of CSS attributes of display node, to replicate in editor
//
// value: String
// Value as an HTML string or plain text string, depending on renderAsHTML flag
templateString: dojo.cache("dijit", "templates/InlineEditBox.html", "<span data-dojo-attach-point=\"editNode\" role=\"presentation\" style=\"position: absolute; visibility:hidden\" class=\"dijitReset dijitInline\"\n\tdata-dojo-attach-event=\"onkeypress: _onKeyPress\"\n\t><span data-dojo-attach-point=\"editorPlaceholder\"></span\n\t><span data-dojo-attach-point=\"buttonContainer\"\n\t\t><button data-dojo-type=\"dijit.form.Button\" data-dojo-props=\"label: '${buttonSave}', 'class': 'saveButton'\"\n\t\t\tdata-dojo-attach-point=\"saveButton\" data-dojo-attach-event=\"onClick:save\"></button\n\t\t><button data-dojo-type=\"dijit.form.Button\" data-dojo-props=\"label: '${buttonCancel}', 'class': 'cancelButton'\"\n\t\t\tdata-dojo-attach-point=\"cancelButton\" data-dojo-attach-event=\"onClick:cancel\"></button\n\t></span\n></span>\n"),
widgetsInTemplate: true,
postMixInProperties: function(){
this.inherited(arguments);
this.messages = dojo.i18n.getLocalization("dijit", "common", this.lang);
dojo.forEach(["buttonSave", "buttonCancel"], function(prop){
if(!this[prop]){ this[prop] = this.messages[prop]; }
}, this);
},
buildRendering: function(){
this.inherited(arguments);
// Create edit widget in place in the template
var cls = typeof this.editor == "string" ? dojo.getObject(this.editor) : this.editor;
// Copy the style from the source
// Don't copy ALL properties though, just the necessary/applicable ones.
// wrapperStyle/destStyle code is to workaround IE bug where getComputedStyle().fontSize
// is a relative value like 200%, rather than an absolute value like 24px, and
// the 200% can refer *either* to a setting on the node or it's ancestor (see #11175)
var srcStyle = this.sourceStyle,
editStyle = "line-height:" + srcStyle.lineHeight + ";",
destStyle = dojo.getComputedStyle(this.domNode);
dojo.forEach(["Weight","Family","Size","Style"], function(prop){
var textStyle = srcStyle["font"+prop],
wrapperStyle = destStyle["font"+prop];
if(wrapperStyle != textStyle){
editStyle += "font-"+prop+":"+srcStyle["font"+prop]+";";
}
}, this);
dojo.forEach(["marginTop","marginBottom","marginLeft", "marginRight"], function(prop){
this.domNode.style[prop] = srcStyle[prop];
}, this);
var width = this.inlineEditBox.width;
if(width == "100%"){
// block mode
editStyle += "width:100%;";
this.domNode.style.display = "block";
}else{
// inline-block mode
editStyle += "width:" + (width + (Number(width) == width ? "px" : "")) + ";";
}
var editorParams = dojo.delegate(this.inlineEditBox.editorParams, {
style: editStyle,
dir: this.dir,
lang: this.lang
});
editorParams[ "displayedValue" in cls.prototype ? "displayedValue" : "value"] = this.value;
this.editWidget = new cls(editorParams, this.editorPlaceholder);
if(this.inlineEditBox.autoSave){
// Remove the save/cancel buttons since saving is done by simply tabbing away or
// selecting a value from the drop down list
dojo.destroy(this.buttonContainer);
}
},
postCreate: function(){
this.inherited(arguments);
var ew = this.editWidget;
if(this.inlineEditBox.autoSave){
// Selecting a value from a drop down list causes an onChange event and then we save
this.connect(ew, "onChange", "_onChange");
// ESC and TAB should cancel and save. Note that edit widgets do a stopEvent() on ESC key (to
// prevent Dialog from closing when the user just wants to revert the value in the edit widget),
// so this is the only way we can see the key press event.
this.connect(ew, "onKeyPress", "_onKeyPress");
}else{
// If possible, enable/disable save button based on whether the user has changed the value
if("intermediateChanges" in ew){
ew.set("intermediateChanges", true);
this.connect(ew, "onChange", "_onIntermediateChange");
this.saveButton.set("disabled", true);
}
}
},
_onIntermediateChange: function(val){
// summary:
// Called for editor widgets that support the intermediateChanges=true flag as a way
// to detect when to enable/disabled the save button
this.saveButton.set("disabled", (this.getValue() == this._resetValue) || !this.enableSave());
},
destroy: function(){
this.editWidget.destroy(true); // let the parent wrapper widget clean up the DOM
this.inherited(arguments);
},
getValue: function(){
// summary:
// Return the [display] value of the edit widget
var ew = this.editWidget;
return String(ew.get("displayedValue" in ew ? "displayedValue" : "value"));
},
_onKeyPress: function(e){
// summary:
// Handler for keypress in the edit box in autoSave mode.
// description:
// For autoSave widgets, if Esc/Enter, call cancel/save.
// tags:
// private
if(this.inlineEditBox.autoSave && this.inlineEditBox.editing){
if(e.altKey || e.ctrlKey){ return; }
// If Enter/Esc pressed, treat as save/cancel.
if(e.charOrCode == dojo.keys.ESCAPE){
dojo.stopEvent(e);
this.cancel(true); // sets editing=false which short-circuits _onBlur processing
}else if(e.charOrCode == dojo.keys.ENTER && e.target.tagName == "INPUT"){
dojo.stopEvent(e);
this._onChange(); // fire _onBlur and then save
}
// _onBlur will handle TAB automatically by allowing
// the TAB to change focus before we mess with the DOM: #6227
// Expounding by request:
// The current focus is on the edit widget input field.
// save() will hide and destroy this widget.
// We want the focus to jump from the currently hidden
// displayNode, but since it's hidden, it's impossible to
// unhide it, focus it, and then have the browser focus
// away from it to the next focusable element since each
// of these events is asynchronous and the focus-to-next-element
// is already queued.
// So we allow the browser time to unqueue the move-focus event
// before we do all the hide/show stuff.
}
},
_onBlur: function(){
// summary:
// Called when focus moves outside the editor
// tags:
// private
this.inherited(arguments);
if(this.inlineEditBox.autoSave && this.inlineEditBox.editing){
if(this.getValue() == this._resetValue){
this.cancel(false);
}else if(this.enableSave()){
this.save(false);
}
}
},
_onChange: function(){
// summary:
// Called when the underlying widget fires an onChange event,
// such as when the user selects a value from the drop down list of a ComboBox,
// which means that the user has finished entering the value and we should save.
// tags:
// private
if(this.inlineEditBox.autoSave && this.inlineEditBox.editing && this.enableSave()){
dojo.style(this.inlineEditBox.displayNode, { display: "" });
dijit.focus(this.inlineEditBox.displayNode); // fires _onBlur which will save the formatted value
}
},
enableSave: function(){
// summary:
// User overridable function returning a Boolean to indicate
// if the Save button should be enabled or not - usually due to invalid conditions
// tags:
// extension
return (
this.editWidget.isValid
? this.editWidget.isValid()
: true
);
},
focus: function(){
// summary:
// Focus the edit widget.
// tags:
// protected
this.editWidget.focus();
setTimeout(dojo.hitch(this, function(){
if(this.editWidget.focusNode && this.editWidget.focusNode.tagName == "INPUT"){
dijit.selectInputText(this.editWidget.focusNode);
}
}), 0);
}
});
}