dashboard.js
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function KTDashlet() {
}
KTDashlet.prototype = {
'initialize' : function(e, dashboard) {
bindMethods(this);
this.dashboard = dashboard;
this.id = e.id;
this.elm = e;
this.body = getElementsByTagAndClassName('*', 'dashboard_block_body', e)[0];
connect(getElementsByTagAndClassName('*', 'action_rollup', e)[0], 'onclick', this, 'toggleRollup');
connect(getElementsByTagAndClassName('*', 'action_close', e)[0], 'onclick', this, 'toggleClose');
},
'toggleRollup' : function(event) {
toggleElementClass('rolled-up', this.elm);
if(this.getStatus() == KTDashboard.OPEN) {
this.setStatus(KTDashboard.ROLLEDUP);
} else {
this.setStatus(KTDashboard.OPEN);
}
event.stop();
},
'toggleClose' : function(event) {
toggleElementClass('closed', this.elm);
if(this.getStatus() == KTDashboard.OPEN) {
this.setStatus(KTDashboard.CLOSED);
} else {
this.setStatus(KTDashboard.OPEN);
}
event.stop();
},
'setStatus' : function(status) {
this.dashboard.setStatus(this.id, status);
},
'getStatus' : function() {
return this.dashboard.getStatus(this.id);
}
};
function KTDashboard() {
this.dashlets = {};
}
KTDashboard.OPEN = 0;
KTDashboard.ROLLEDUP = 1;
KTDashboard.CLOSED = 2;
KTDashboard.columns = Set('left', 'right');
KTDashboard.prototype = {
'initialize' : function(dashboard) {
this.element = dashboard;
var dashOpts = {
'tag':'div',
'dropOnEmpty':true,
'constraint': false,
'tree':true,
'only' : ['dashboard_block'],
'handle' : 'dashboard_block_handle'
};
MochiKit.Sortable.Sortable.create(this.element, dashOpts);
var self = this;
map(function(e) {
if(hasElementClass(e, 'empty')) {
return;
}
var d = new KTDashlet();
d.initialize(e, self);
self.dashlets[e.id] = { 'object' : d, 'state' : KTDashboard.OPEN };
}, getElementsByTagAndClassName('*', 'dashboard_block', this.element));
this.addButton = $('add_dashlet');
connect(this.addButton, 'onclick', this, 'onclickAdd');
connect(window, 'onbeforeunload', this, 'pushState');
},
'statusChange' : function(status) {
if(status == KTDashboard.CLOSED) {
showElement(this.addButton);
} else if(status == KTDashboard.OPEN) {
var closed = this.getDashletsInState(KTDashboard.CLOSED);
if(closed.length === 0) {
hideElement(this.addButton);
}
}
},
'setStatus' : function(id, status) {
this.dashlets[id]['state'] = status;
this.statusChange(status);
},
'getStatus' : function(id) {
return this.dashlets[id]['state'];
},
'getDashletsInState' : function(state) {
var ret = [];
for(var i in this.dashlets) {
if(this.dashlets[i]['state'] == state) {
ret.push(i);
}
}
return ret;
},
'getDashletTitle' : function(elm) {
var h2 = getElementsByTagAndClassName('H2', null, elm);
if(h2.length) {
return h2[0].innerHTML;
} else {
return null;
}
},
'onclickAdd': function(event) {
var closed = this.getDashletsInState(KTDashboard.CLOSED);
var self = this;
var addDialogScreen = DIV({'class':'addDialogScreen'});
var addDialog = DIV({'class':'addDialog'});
var dashletList = UL(null);
forEach(closed, function(id) {
var dashletelm = $(id);
var dashlet = self.dashlets[id]['object'];
var link = A({'class':'dashletLink', 'href':'#'}, self.getDashletTitle(dashletelm));
var linkli = LI(null, link);
connect(link, 'onclick', function(event) {
removeElement(linkli);
dashlet.toggleClose(event);
});
appendChildNodes(dashletList, linkli);
});
appendChildNodes(addDialog, H2(null, 'Add Dashlets'));
appendChildNodes(addDialog, dashletList);
var closeLink = A({'class':'closeLink','href':'#'}, 'close');
connect(closeLink, 'onclick', function(event) { removeElement(addDialogScreen); });
appendChildNodes(addDialog, closeLink);
appendChildNodes(addDialogScreen, addDialog);
appendChildNodes(document.body, addDialogScreen);
event.stop();
},
'getColumn' : function(which) {
return $('dashboard-container-' + which);
},
'serialize' : function() {
var self = this;
var ret = {};
for(var col in KTDashboard.columns) {
ret[col] = [];
var container = this.getColumn(col);
forEach(getElementsByTagAndClassName('*', 'dashboard_block', container), function(e) {
if(e.id != '') {
ret[col].push({'id':e.id, 'state':self.dashlets[e.id]['state']});
}
});
}
return ret;
},
'unserialize' : function(state) {
var bucket = DIV({'style':'display:none'});
appendChildNodes(document.body, bucket);
appendChildNodes(bucket, getElementsByTagAndClassName('*', 'dashboard_block', this.element));
for(var col in KTDashboard.columns) {
var container = this.getColumn(col);
for(var dashlet in state[col]) {
var elm = $(dashlet['id']);
this.setStatus(dashlet['id'], dashlet['state']);
appendChildNodes(container, elm);
}
}
},
'pushState' : function(event) {
var args = {'action' : 'json',
'json_action' : 'saveDashboardState',
'state' : serializeJSON(this.serialize()) };
var def = loadJSONDoc(window.location.href, args);
}
}
addLoadEvent(
function() {
var browser = navigator.appName;
if(browser == 'Microsoft Internet Explorer') {
alert("For this technology preview, the draggable dashboard does not work in Internet Explorer. Please try with Firefox.");
var location = window.location.href.toString().replace(/dashboard2/gi, 'dashboard');
window.location = location;
} else {
var dashboard = new KTDashboard();
dashboard.initialize($('content'));
dashboard.serialize();
}
});