Author: lgiessmann
Date: Fri Jun 19 09:17:20 2009
New Revision: 52
Log:
ajax-client: fixed a few bugs and prepared the client for the implementation of editing existing fragments
Modified:
trunk/src/ajax/css/frame.css
trunk/src/ajax/javascripts/constants.js
trunk/src/ajax/javascripts/create.js
trunk/src/ajax/javascripts/datamodel.js
trunk/src/ajax/javascripts/edit.js
trunk/src/ajax/javascripts/requests.js
Modified: trunk/src/ajax/css/frame.css
==============================================================================
--- trunk/src/ajax/css/frame.css (original)
+++ trunk/src/ajax/css/frame.css Fri Jun 19 09:17:20 2009
@@ -34,4 +34,9 @@
input[value="generate fragment"] {
margin-top: 10px;
margin-bottom: 10px;
+}
+
+input[value="commit fragment"] {
+ margin-top: -20px;
+ float: right;
}
\ No newline at end of file
Modified: trunk/src/ajax/javascripts/constants.js
==============================================================================
--- trunk/src/ajax/javascripts/constants.js (original)
+++ trunk/src/ajax/javascripts/constants.js Fri Jun 19 09:17:20 2009
@@ -82,6 +82,7 @@
"__divTmIdFrame__" : "tmIdFrame",
"__divLoad__" : "loadFrame",
"__imgAjaxLoader__" : "ajaxLoader",
+ "__divEditFrame__" : "editFrame",
"page" : function(){ return this.__divPage__; },
"subPage" : function(){ return this.__divSubPage__; },
@@ -124,5 +125,6 @@
"commitButton" : function(){ return this.__inputCommitButton__; },
"tmIdFrame" : function(){ return this.__divTmIdFrame__; },
"load" : function(){ return this.__divLoad__; },
- "ajaxLoader" : function(){ return this.__imgAjaxLoader__; }
+ "ajaxLoader" : function(){ return this.__imgAjaxLoader__; },
+ "editFrame" : function(){ return this.__divEditFrame__; }
};
\ No newline at end of file
Modified: trunk/src/ajax/javascripts/create.js
==============================================================================
--- trunk/src/ajax/javascripts/create.js (original)
+++ trunk/src/ajax/javascripts/create.js Fri Jun 19 09:17:20 2009
@@ -10,6 +10,7 @@
//+-----------------------------------------------------------------------------
+// --- Creates the "create"-sub-page.
function makeCreate(psi)
{
var content = new Element("div", {"class" : CLASSES.content()});
@@ -24,7 +25,7 @@
fragmentFrame.insert({"bottom" : liTopicSelect});
function innerMakeFragment(psis, constraints){
- makeFragment(liTopicSelect, psis, constraints);
+ makeFragment(liTopicSelect, psis, constraints, null);
}
function onSuccessHandler(xhr){
@@ -45,7 +46,7 @@
}
} //onSuccessHandler
- getTypePsis(onSuccessHandler, null);
+ getPsis(onSuccessHandler, null, true);
}catch(err){
alert("From makeCreate(): " + err);
}
@@ -53,22 +54,31 @@
// --- Creates the sub-elemts Topic, Associations and Topic Maps ID of a Fragment element.
-function makeFragment(context, psis, constraints){
+function makeFragment(context, psis, constraints, contents){
clearFragment();
+
+ var topicContent = null;
+ var associationsContent = null;
+ var tmContent = null;
+ if(contents){
+ topicContent = contents.topic;
+ associationsContent = contents.associations;
+ tmContent = contents.tmIds;
+ }
var instanceOfs = new Array();
for(var i = 0; psis && i !== psis.length; ++i){
instanceOfs.push(new Array(psis[i]));
}
- var topic = new TopicC(null, (constraints ? constraints.topicConstraints : null), instanceOfs);
+ var topic = new TopicC(topicContent, (constraints ? constraints.topicConstraints : null), instanceOfs);
var liT = new Element("li", {"class" : CLASSES.topicFrame()}).update(topic.getFrame());
context.insert({"after" : liT});
var liA = null;
var associations = null;
- if(constraints && constraints.associationsConstraints && constraints.associationsConstraints.length !== 0){
+ if((constraints && constraints.associationsConstraints && constraints.associationsConstraints.length !== 0) || associationsContent && associationsContent.length !== 0){
addTopicAsPlayer((constraints ? constraints.associationsConstraints : null), topic.getContent().instanceOfs);
- associations = new AssociationContainerC(null, (constraints ? constraints.associationsConstraints : null));
+ associations = new AssociationContainerC(associationsContent, (constraints ? constraints.associationsConstraints : null));
liA = new Element("li", {"class" : CLASSES.associationContainer()}).update(associations.getFrame());
liT.insert({"after" : liA});
}
@@ -76,10 +86,10 @@
liA = liT;
}
- var tmId = new TmIdC(null);
+ var tmId = new TmIdC(tmContent);
var liTm = new Element("li", {"class" : CLASSES.tmIdFrame()}).update(tmId.getFrame());
liA.insert({"after" : liTm});
- var commitButton = new Element("input", {"type" : "button", "value" : "commit fragment", "style" : "float: right; margin-top: -10px;"})
+ var commitButton = new Element("input", {"type" : "button", "value" : "commit fragment"})
commitButton.observe("click", function(event){
// --- validates the given data
var ret = true;
Modified: trunk/src/ajax/javascripts/datamodel.js
==============================================================================
--- trunk/src/ajax/javascripts/datamodel.js (original)
+++ trunk/src/ajax/javascripts/datamodel.js Fri Jun 19 09:17:20 2009
@@ -242,6 +242,51 @@
}});
+// --- Representation of a
+var EditC = Class.create(ContainerC, {"initialize" : function($super, contents, successFun){
+ $super();
+ this.__frame__.writeAttribute({"class" : CLASSES.editFrame()});
+ this.__container__ = new Object();
+ try{
+ var row = new SelectrowC(contents, this.__container__, 1, 1);
+ this.__error__.insert({"before" : row.getFrame()});
+ }
+ catch(err){
+ throw "From EditC(): The following exception was thrown:\n" + err;
+ this.__container__ = null;
+ }
+ this.__commit__ = new Element("input", {"type" : "button", "value" : "generate fragment"});
+
+ function setHandler(myself){
+ function onSuccessHandler(xhr){
+ var json = null;
+ try{
+ json = xhr.responseText.evalJSON();
+ }
+ catch(err){
+ alert("Got bad JSON data from " + xhr.request.url + "!\n\n" + err);
+ }
+ successFun(new Array(myself.getContent()), json);
+ }
+
+ myself.__commit__.observe("click", function(event){
+ myself.hideError();
+ clearFragment();
+ requestConstraints("[" + myself.toJSON() + "]", onSuccessHandler, null)
+ });
+ }
+ setHandler(this);
+
+ this.__error__.insert({"before" : this.__commit__});
+ },
+ "getContent" : function(){
+ return this.__container__.__frames__[0].getContent();
+ },
+ "toJSON" : function(){
+ return this.getContent().toJSON();
+ }});
+
+
// --- Represents a container for all instanceOf-Psis of a fragment's topic
var InstanceOfC = Class.create(ContainerC, {"initialize" : function($super, contents, successFun){
$super();
@@ -281,10 +326,7 @@
str += "<br/>";
}
}
- var items = $$("li." + CLASSES.topicFrame());
- for(var i = 0; i != items.length; ++i){
- items[i].remove();
- }
+ clearFragment();
myself.showError(str);
}
else {
@@ -295,7 +337,7 @@
myself.__commit__.observe("click", function(event){
myself.hideError();
clearFragment();
- requestConstraints(myself.toJSON(true), onSuccessHandler, null);
+ requestConstraints(myself.toJSON(true), onSuccessHandler, null, true);
});
}
setHandler(this);
@@ -479,11 +521,11 @@
// --- checks card-min and card-max for the current constraint
if(cardMin > currentIdentifiers.length){
- errorStr += "card-min of the constraint regexp: \"" + this.__constraints__[i].regexp + "\" card-min: " + cardMin + " card-max: " + cardMax + " is not satisfied (" + cardMin + ")!<br/>";
+ errorStr += "card-min of the constraint regexp: \"" + this.__constraints__[i].regexp + "\" card-min: " + cardMin + " card-max: " + cardMax + " is not satisfied (" + currentIdentifiers.length + ")!<br/>";
ret = false;
}
if(cardMax !== MMAX_INT && cardMax < currentIdentifiers.length){
- errorStr += "card-max of the constraint regexp: \"" + this.__constraints__[i].regexp + "\" card-min: " + cardMin + " card-max: " + cardMax + " is not satisfied (" + cardMax + ")!<br/>";
+ errorStr += "card-max of the constraint regexp: \"" + this.__constraints__[i].regexp + "\" card-min: " + cardMin + " card-max: " + cardMax + " is not satisfied (" + currentIdentifiers.length + ")!<br/>";
ret = false;
}
}
@@ -842,8 +884,15 @@
this.__dblClickHandler__ = dblClickHandler;
try{
+ var itemIdentityContent = null;
+ var scopesContent = null;
+ if(contents){
+ itemIdentityContent = contents.itemIdentities;
+ scopesContent = contents.scopes;
+ }
+
// --- control row + itemIdentity
- makeControlRow(this, 4, contents ? contents.itemIdentities : null);
+ makeControlRow(this, 4, itemIdentityContent);
checkRemoveAddButtons(owner, 1, -1);
setRemoveAddHandler(this, owner, 1, -1, function(){
return new VariantC(null, owner, dblClickHandler, parent);
@@ -1037,8 +1086,21 @@
this.__dblClickHandler__ = dblClickHandler;
try{
+ var itemIdentityContent = null;
+ var typeContent = null;
+ var scopesContent = null;
+ var valueContent = "";
+ var variantsContent = null;
+ if(contents){
+ itemIdentityContent = contents.itemIdentities;
+ typeContent = contents.type;
+ scopesContent = contents.scopes;
+ valueContent = contents.value;
+ variantsContent = contents.variants;
+ }
+
// --- control row + ItemIdentity
- makeControlRow(this, 5, contents ? contents.itemIdentities : null);
+ makeControlRow(this, 5, itemIdentityContent);
checkRemoveAddButtons(owner, min, max);
setRemoveAddHandler(this, owner, min, max, function(){
return new NameC(null, nametypescopes, simpleConstraint, owner, min, max, cssTitle, dblClickHandler);
@@ -1049,7 +1111,7 @@
for(var i = 0; nametypescopes && i !== nametypescopes.length; ++i){
for(var j = 0; j != nametypescopes[i].nameType.length; ++j){
types.push(nametypescopes[i].nameType[j]);
- if(contents && contents.type && contents.type[0] === nametypescopes[i].nameType[j]){
+ if(typeContent && typeContent[0] === nametypescopes[i].nameType[j]){
var selected = nametypescopes[i].nameType[j];
types[types.length - 1] = types[0];
types[0] = selected;
@@ -1061,7 +1123,7 @@
this.__table__.insert({"bottom" : tr});
// --- scopes
- this.__scope__ = new ScopeContainerC(contents && contents.scopes ? scopes : null, nametypescopes && nametypescopes[0].scopeConstraints ? nametypescopes[0].scopeConstraints : null);
+ this.__scope__ = new ScopeContainerC(scopesContent, nametypescopes && nametypescopes[0].scopeConstraints ? nametypescopes[0].scopeConstraints : null);
this.__table__.insert({"bottom" : newRow(CLASSES.scopeContainer(), "Scope", this.__scope__.getFrame())});
onTypeChangeScope(this, contents ? contents.scopes : null, nametypescopes, "name");
@@ -1071,11 +1133,11 @@
var _max = simpleConstraint.cardMax !== MAX_INT ? parseInt(simpleConstraint.cardMax) : MMAX_INT;
var cssTitleV = "min: " + _min + " max: " + _max + " regular expression: " + (simpleConstraint ? simpleConstraint.regexp : ".*");
this.__cssTitle__ = cssTitle;
- new TextrowC((contents ? contents.value : ""), (simpleConstraint ? simpleConstraint.regexp : ".*"), this.__value__, 1, 1, cssTitleV);
+ new TextrowC(valueContent, (simpleConstraint ? simpleConstraint.regexp : ".*"), this.__value__, 1, 1, cssTitleV);
this.__table__.insert({"bottom" : newRow(CLASSES.valueFrame(), "Value", this.__value__.__frames__[0].getFrame())});
// --- variants
- this.__variants__ = new VariantContainerC(contents? contents.variants : null, this);
+ this.__variants__ = new VariantContainerC(variantsContent, this);
this.__table__.insert({"bottom" : newRow(CLASSES.variantContainer(), "Variants", this.__variants__.getFrame())});
// --- adds a second show handler, so the variants will be hidden, when the entire
@@ -1348,8 +1410,17 @@
this.__dblClickHandler__ = dblClickHandler;
try{
+ var itemIdentityContent = null;
+ var typeContent = null;
+ var scopesContent = null;
+ if(contents){
+ itemIdentityContent = contents.itemIdentities;
+ typeContent = contents.type;
+ scopesContent = contents.scopes;
+ }
+
// --- control row + itemIdentity
- makeControlRow(this, 5, contents ? contents.itemIdentities : null);
+ makeControlRow(this, 5, itemIdentityContent);
checkRemoveAddButtons(owner, 1, max);
setRemoveAddHandler(this, owner, 1, max, function(){
return new OccurrenceC(null, occurrenceTypes, constraint, uniqueConstraints, owner, min, max, cssTitle, dblClickHandler);
@@ -1360,7 +1431,7 @@
for(var i = 0; occurrenceTypes && i !== occurrenceTypes.length; ++i){
for(var j = 0; j != occurrenceTypes[i].occurrenceType.length; ++j){
types.push(occurrenceTypes[i].occurrenceType[j]);
- if(contents && contents.type && contents.type[0] === ooccurrenceTypes[i].occurrenceType[j]){
+ if(typeContent && typeContent[0] === ooccurrenceTypes[i].occurrenceType[j]){
var selected = occurrenceTypes[i].occurrenceType[j];
types[types.length - 1] = types[0];
types[0] = selected;
@@ -1372,7 +1443,7 @@
this.__table__.insert({"bottom" : tr});
// --- scopes
- this.__scope__ = new ScopeContainerC(contents && contents.scopes ? contents.scopes : null, occurrenceTypes && occurrenceTypes[0].scopeConstraints ? occurrenceTypes[0].scopeConstraints : null);
+ this.__scope__ = new ScopeContainerC(scopesContent, occurrenceTypes && occurrenceTypes[0].scopeConstraints ? occurrenceTypes[0].scopeConstraints : null);
this.__table__.insert({"bottom" : newRow(CLASSES.scopeContainer(), "Scope", this.__scope__.getFrame())});
onTypeChangeScope(this, contents && contents.scopes ? contents.scopes : null, occurrenceTypes, "occurrence");
@@ -1655,6 +1726,20 @@
this.__instanceOfs__ = (!instanceOfs || instanceOfs.length === 0 ? null : instanceOfs);
try{
+ var topicidContent = null;
+ var itemIdentityContent = null;
+ var subjectLocatorContent = null;
+ var subjectIdentifierContent = null;
+ var namesContent = null;
+ var occurrencesContent = null;
+ if(content){
+ topicidContent = content.id
+ itemIdentityContent = content.itemIdentities
+ subjectLocatorContent = content.subjectLocators;
+ subjectIdentifierContent = content.subjectIdentifiers;
+ namesContent = content.names;
+ occurrencesContent = content.occurrences;
+ }
this.__frame__ .writeAttribute({"class" : CLASSES.topicFrame()});
this.__table__ = new Element("table", {"class" : CLASSES.topicFrame()});
this.__frame__.insert({"top" : this.__table__});
@@ -1670,35 +1755,31 @@
// --- topic id
this.__topicid__ = new Object();
- new TextrowC((content ? content.topicid : null), ".*", this.__topicid__, 1, 1, null);
+ new TextrowC(topicidContent, ".*", this.__topicid__, 1, 1, null);
this.__table__.insert({"bottom" : newRow(CLASSES.topicIdFrame(), "Topic ID", this.__topicid__.__frames__[0].getFrame())});
// --- itemIdentity
- this.__itemIdentity__ = new ItemIdentityC(content ? content.itemIdentities : null, this);
+ this.__itemIdentity__ = new ItemIdentityC(itemIdentityContent, this);
this.__table__.insert({"bottom" : newRow(CLASSES.itemIdentityFrame(), "ItemIdentity", this.__itemIdentity__.getFrame())});
// --- subjectLocator
- var _contents = (content ? content.subjectLocators : null);
var _constraints = (constraints ? constraints.subjectLocatorConstraints : null);
- this.__subjectLocator__ = new IdentifierC(_contents, _constraints, CLASSES.subjectLocatorFrame());
+ this.__subjectLocator__ = new IdentifierC(subjectLocatorContent, _constraints, CLASSES.subjectLocatorFrame());
this.__table__.insert({"bottom" : newRow(CLASSES.subjectLocatorFrame(), "SubjectLocator", this.__subjectLocator__.getFrame())});
// --- subjectIdentifier
- _contents = (content ? content.subjectIdentifiers : null);
_constraints = (constraints ? constraints.subjectIdentifierConstraints : null);
- this.__subjectIdentifier__ = new IdentifierC(_contents, _constraints, CLASSES.subjectIdentifierFrame());
+ this.__subjectIdentifier__ = new IdentifierC(subjectIdentifierContent, _constraints, CLASSES.subjectIdentifierFrame());
this.__table__.insert({"bottom" : newRow(CLASSES.subjectIdentifierFrame(), "SubjectIdentifier", this.__subjectIdentifier__.getFrame())});
// --- names
- _contents = (content ? content.names : null);
_constraints = (constraints ? constraints.topicNameConstraints : null);
- this.__name__ = new NameContainerC(_contents, _constraints);
+ this.__name__ = new NameContainerC(namesContent, _constraints);
this.__table__.insert({"bottom" : newRow(CLASSES.nameContainer(), "Names", this.__name__.getFrame())});
// --- occurrences
- _contents = (content ? content.occurrences : null);
_constraints = (constraints ? constraints.topicOccurrenceConstraints : null);
- this.__occurrence__ = new OccurrenceContainerC(_contents, _constraints);
+ this.__occurrence__ = new OccurrenceContainerC(occurrencesContent, _constraints);
this.__table__.insert({"bottom" : newRow(CLASSES.occurrenceContainer(), "Occurrences", this.__occurrence__.getFrame())});
}catch(err){
alert("From TopciC(): " + err);
@@ -2689,8 +2770,20 @@
this.__dblClickHandler__ = dblClickHandlerF;
try{
+ var itemIdentityContent = null;
+ var typeContent = null;
+ var scopesContent = null;
+ var rolesContent = null;
+ if(contents){
+ itemIdentityContent = contents.itemIdentities;
+ typeContent = contents.type;
+ scopesContent = contents.scopes;
+ rolesContent = contents.roles;
+ }
+
+
// --- control row + ItemIdentity
- makeControlRow(this, 4, contents ? contents.itemIdentities : null);
+ makeControlRow(this, 4, itemIdentityContent);
checkRemoveAddButtons(owner, 1, -1);
setRemoveAddHandler(this, owner, 1, -1, function(){
return new AssociationC(null, constraints, owner);
@@ -2701,7 +2794,7 @@
for(var i = 0; constraints && i !== constraints.length; ++i){
for(var j = 0; j != constraints[i].associationType.length; ++j){
types.push(constraints[i].associationType[j]);
- if(contents && contents.type && contents.type[0] === constraints[i].associationType[j]){
+ if(typeContent && typeContent[0] === constraints[i].associationType[j]){
var selected = constraints[i].associationType[j];
types[types.length - 1] = types[0];
types[0] = selected;
@@ -2713,7 +2806,7 @@
this.__table__.insert({"bottom" : tr});
// --- scopes
- this.__scope__ = new ScopeContainerC(this.__contents__ && this.__contents__.scopes ? this.__contents__.scopes : null, this.__constraints__ && this.__constraints__[0].scopeConstraints ? this.__constraints__[0].scopeConstraints : null);
+ this.__scope__ = new ScopeContainerC(scopesContent, this.__constraints__ && this.__constraints__[0].scopeConstraints ? this.__constraints__[0].scopeConstraints : null);
this.__table__.insert({"bottom" : newRow(CLASSES.scopeContainer(), "Scope", this.__scope__.getFrame())});
// --- roles
@@ -2724,7 +2817,7 @@
_otherRoleConstraints = this.__constraints__[0].otherRoleConstraints;
}
- this.__roles__ = new RoleContainerC(this.__contents__ ? this.__contents__.roles : null, _roleConstraints, _playerConstraints, _otherRoleConstraints, this);
+ this.__roles__ = new RoleContainerC(rolesContent, _roleConstraints, _playerConstraints, _otherRoleConstraints, this);
this.__table__.insert({"bottom" : newRow(CLASSES.roleContainer(), "Roles", this.__roles__.getFrame())});
// --- registers the onChangeHandler of the Type-selectrow
Modified: trunk/src/ajax/javascripts/edit.js
==============================================================================
--- trunk/src/ajax/javascripts/edit.js (original)
+++ trunk/src/ajax/javascripts/edit.js Fri Jun 19 09:17:20 2009
@@ -25,28 +25,37 @@
// --- creates the sub-elements topic, associations and topic map id
function innerMakeFragment(psis, constraints){
- makeFragment(liTopicSelect, psis, constraints);
+ function rSuccessHandler(xhr){
+ var json = null;
+ try{
+ json = xhr.responseText.evalJSON();
+ }
+ catch(innrErr){}
+
+ makeFragment(liTopicSelect, psis, constraints, json);
+ }
+ requestFragment(psis && psis.length !== 0 ? psis[0] : null, rSuccessHandler, null)
}
function onSuccessHandler(xhr){
var json = null;
try{
json = xhr.responseText.evalJSON();
- }
- catch(innerErr){
- alert("Got bad JSON data from " + xhr.request.url + "\n\n" + innerErr);
}
- var instanceOf = null;
+ catch(err){
+ alert("Got bad JSON data from " + xhr.request.url + "\n\n" + err);
+ }
+ var edit = null;
+
try{
- instanceOf = new InstanceOfC(json.flatten().sort(), innerMakeFragment);
- liTopicSelect.insert({"bottom" : instanceOf.getFrame()});
+ edit = new EditC(json.flatten().sort(), innerMakeFragment);
+ liTopicSelect.insert({"bottom" : edit.getFrame()});
}
- catch(innerErr){
- alert("There occurred an error by creating an InstanceOfC frame, please reload this page!\n\n" + innerErr);
+ catch(err){
+ alert("There occurred an error by creating an EditC frame, please reload this page!\n\n" + err);
}
- } //onSuccessHandler
-
- getTypePsis(onSuccessHandler, null);
+ }
+ getPsis(onSuccessHandler, null, false);
}
catch(err){
alert("From makeEdit(): " + err);
Modified: trunk/src/ajax/javascripts/requests.js
==============================================================================
--- trunk/src/ajax/javascripts/requests.js (original)
+++ trunk/src/ajax/javascripts/requests.js Fri Jun 19 09:17:20 2009
@@ -81,36 +81,43 @@
}
-// --- Gets all type psis from the server.
-function getTypePsis(onSuccessHandler, onFailureHandler)
+// --- Gets all psis from the server. If typePsis is set to true
+// --- there will be requested only TopicType's psis.
+function getPsis(onSuccessHandler, onFailureHandler, typePsis)
{
try{
var onFailure = onFailureHandler ? onFailureHandler : defaultFailureHandler;
var timeFun = setAjaxTimeout(TIMEOUT, TYPE_PSIS_URL);
onLoad("Requesting all type PSIs");
- new Ajax.Request(TYPE_PSIS_URL, {
+ var url = ALL_PSIS_URL;
+ if(typePsis === true) url = TYPE_PSIS_URL;
+
+ new Ajax.Request(url, {
"method" : "get",
"requestHeaders" : INIT_DATE,
"onSuccess" : createXHRHandler(onSuccessHandler, timeFun),
"onFailure" : createXHRHandler(onFailure, timeFun)});
}
catch(err){
- alert("Could not request all type PSIs, please try again!\n\n" + err);
+ alert("From getTypePsis(): could not request all type PSIs, please try again!\n\n" + err);
}
}
// --- Sends a post-request to the server with the passed psis as postBody.
// --- Gets a constraint-object.
-function requestConstraints(psis, onSuccessHandler, onFailureHandler)
+function requestConstraints(psis, onSuccessHandler, onFailureHandler, typeConstraints)
{
try{
var onFailure = onFailureHandler ? onFailureHandler : defaultFailureHandler;
var timeFun = setAjaxTimeout(TIMEOUT, TMCL_TYPE_URL);
onLoad("Requesting all constraints for the psis:\<br/>" + psis.gsub("\\[", "").gsub("\\]", ""));
- new Ajax.Request(TMCL_TYPE_URL, {
+ url = TMCL_INSTANCE_URL;
+ if(typeConstraints === true) url = TMCL_TYPE_URL;
+
+ new Ajax.Request(url, {
"method" : "post",
"postBody" : psis,
"onSuccess" : createXHRHandler(onSuccessHandler, timeFun),
@@ -198,4 +205,29 @@
catch(err){
alert("From commitFragment(): " + err);
}
+}
+
+
+// --- Requests a JSON-Fragment for the passed psi and calls the onSuccessHandler function
+// --- after a succeeded request.
+function requestFragment(psi, onSuccessHandler, onFailureHandler)
+{
+ if(!psi || !onSuccessHandler) throw "From requestFragment(): psi and onSuccessHandler must be set!";
+
+ try{
+ var onFailure = onFailureHandler ? onFailureHandler : defaultFailureHandler;
+ var timeFun = setAjaxTimeout(TIMEOUT, COMMIT_URL);
+ onLoad("Requesting fragment for the topic " + psi);
+
+ var url = GET_PREFIX + psi.gsub("#", "%23");
+
+ new Ajax.Request(url, {
+ "method" : "get",
+ "requestHeaders" : INIT_DATE,
+ "onSuccess" : createXHRHandler(onSuccessHandler, timeFun),
+ "onFailure" : createXHRHandler(onFailure, timeFun)});
+ }
+ catch(err){
+ alert("From requestFragment(): " + err);
+ }
}
\ No newline at end of file
