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phab/webroot/rsrc/js/application/dashboard/behavior-dashboard-move-panels.js
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behavior-dashboard-move-panels.js
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/**
* @provides javelin-behavior-dashboard-move-panels
* @requires javelin-behavior
* javelin-dom
* javelin-util
* javelin-stratcom
* javelin-workflow
* phabricator-draggable-list
*/
JX.behavior('dashboard-move-panels', function(config) {
var itemSigil = 'dashboard-panel';
function finditems(col) {
return JX.DOM.scry(col, 'div', itemSigil);
}
function markcolempty(col, toggle) {
JX.DOM.alterClass(col, 'dashboard-column-empty', toggle);
}
function onupdate(col) {
markcolempty(col, !this.findItems().length);
}
function onresponse(response, item, list) {
list.unlock();
JX.DOM.alterClass(item, 'drag-sending', false);
}
function ondrop(list, item, after) {
list.lock();
JX.DOM.alterClass(item, 'drag-sending', true);
var item_phid = JX.Stratcom.getData(item).objectPHID;
var data = {
objectPHID: item_phid,
columnID: JX.Stratcom.getData(list.getRootNode()).columnID
};
var after_phid = null;
var items = finditems(list.getRootNode());
if (after) {
after_phid = JX.Stratcom.getData(after).objectPHID;
data.afterPHID = after_phid;
}
var ii;
var ii_item;
var ii_item_phid;
var ii_prev_item_phid = null;
var before_phid = null;
for (ii = 0; ii < items.length; ii++) {
ii_item = items[ii];
ii_item_phid = JX.Stratcom.getData(ii_item).objectPHID;
if (ii_item_phid == item_phid) {
// skip the item we just dropped
continue;
}
// note this handles when there is no after phid - we are at the top of
// the list - quite nicely
if (ii_prev_item_phid == after_phid) {
before_phid = ii_item_phid;
break;
}
ii_prev_item_phid = ii_item_phid;
}
if (before_phid) {
data.beforePHID = before_phid;
}
var workflow = new JX.Workflow(config.moveURI, data)
.setHandler(function(response) {
onresponse(response, item, list);
});
workflow.start();
}
var lists = [];
var ii;
var cols = JX.DOM.scry(JX.$(config.dashboardID), 'div', 'dashboard-column');
var col = null;
for (ii = 0; ii < cols.length; ii++) {
col = cols[ii];
var list = new JX.DraggableList(itemSigil, col)
.setFindItemsHandler(JX.bind(null, finditems, col))
.setCanDragX(true);
list.listen('didSend', JX.bind(list, onupdate, col));
list.listen('didReceive', JX.bind(list, onupdate, col));
list.listen('didDrop', JX.bind(null, ondrop, list));
lists.push(list);
markcolempty(col, finditems(col).length === 0);
}
for (ii = 0; ii < lists.length; ii++) {
lists[ii].setGroup(lists);
}
});
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