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Start a workflow with Sharepoint (JavaScript)
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/** | |
* Start a workflow | |
* | |
* @param {Object} params | |
* @param {String} params.listName The name of the list | |
* @param {Number} params.itemID The item ID | |
* @param {String} params.workflowName The name of the workflow | |
* @param {Array|Object} [params.parameters] An array of object with {Name:"Name of the parameter", Value:"Value of the parameter"} | |
* @param {Function} [params.after] Callback after the request is done | |
*/ | |
function startWorkflow(params) { | |
// we need to make sure that SP.ClientContext is loaded | |
if (SP.ClientContext == undefined) { | |
setTimeout(function() { startWorkflow(params) }, 100); | |
return | |
} | |
params.after = params.after || (function() {}); | |
if (!params.workflowName) { alert("Please provide the workflow name!"); return; } | |
function onQuerySucceeded() { | |
var enumerator = workflows.getEnumerator(); | |
while (enumerator.moveNext()) { | |
var workflow = enumerator.get_current(); | |
if (workflow.get_name() == params.workflowName) { | |
var url = 'http://' + window.location.hostname + item.get_item("FileRef"); | |
var templateId = '{' + workflow.get_id().toString() + '}'; | |
var workflowParameters = "<root />"; | |
if (params.parameters) { | |
var p; | |
if (params.parameters.length == undefined) p = [ params.parameters ]; | |
p = params.parameters.slice(0); | |
workflowParameters = "<Data>"; | |
for (var i=0; i<p.length; i++) | |
workflowParameters += "<"+p[i].Name+">"+p[i].Value+"</"+p[i].Name+">"; | |
workflowParameters += "</Data>"; | |
} | |
// trigger the workflow | |
jQuery().SPServices({ | |
operation:"StartWorkflow", | |
async:true, | |
item:url, | |
templateId:templateId, | |
workflowParameters:workflowParameters, | |
completefunc:params.after | |
}); | |
break; | |
} | |
} | |
} | |
function onQueryFailed() { throw "Error with Start workflow" } | |
//var guid = new SP.Guid(__GlobalConfig.listID['Requested']); | |
var context = SP.ClientContext.get_current(); | |
var lists = context.get_web().get_lists(); | |
var list = lists.getByTitle(params.listName); | |
var item = list.getItemById(params.itemID); | |
var file = item.get_file(); | |
context.load(list); | |
context.load(item); | |
var workflows = list.get_workflowAssociations(); | |
context.load(workflows); | |
context.executeQueryAsync(onQuerySucceeded, onQueryFailed); | |
} |
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