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behavior-batch-selector.js
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behavior-batch-selector.js
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/**
* @provides javelin-behavior-maniphest-batch-selector
* @requires javelin-behavior
* javelin-dom
* javelin-stratcom
* javelin-util
*/
JX.behavior('maniphest-batch-selector', function(config) {
var selected = {};
// Test if a task node is selected.
var get_id = function(task) {
return JX.Stratcom.getData(task).taskID;
}
var is_selected = function(task) {
return (get_id(task) in selected);
}
// Change the selected state of a task.
var change = function(task, to) {
if (to === undefined) {
to = !is_selected(task);
}
if (to) {
selected[get_id(task)] = true;
} else {
delete selected[get_id(task)];
}
JX.DOM.alterClass(
task,
'phabricator-object-item-selected',
is_selected(task));
update();
};
// Change all tasks to some state (used by "select all" / "clear selection"
// buttons).
var changeall = function(to) {
var inputs = JX.DOM.scry(document.body, 'li', 'maniphest-task');
for (var ii = 0; ii < inputs.length; ii++) {
change(inputs[ii], to);
}
}
// Clear any document text selection after toggling a task via shift click,
// since errant clicks tend to start selecting various ranges otherwise.
var clear_selection = function() {
if (window.getSelection) {
if (window.getSelection().empty) {
window.getSelection().empty();
} else if (window.getSelection().removeAllRanges) {
window.getSelection().removeAllRanges();
}
} else if (document.selection) {
document.selection.empty();
}
}
// Update the status text showing how many tasks are selected, and the button
// state.
var update = function() {
var count = JX.keys(selected).length;
var status;
if (count == 0) {
status = 'Shift-Click to Select Tasks';
} else if (status == 1) {
status = '1 Selected Task';
} else {
status = count + ' Selected Tasks';
}
JX.DOM.setContent(JX.$(config.status), status);
var submit = JX.$(config.submit);
var disable = (count == 0);
submit.disabled = disable;
JX.DOM.alterClass(submit, 'disabled', disable);
};
// When he user shift-clicks the task, update the rest of the application
// state.
JX.Stratcom.listen(
'click',
'maniphest-task',
function(e) {
var raw = e.getRawEvent();
if (!raw.shiftKey) {
return;
}
if (raw.ctrlKey || raw.altKey || raw.metaKey || e.isRightButton()) {
return;
}
if (JX.Stratcom.pass(e)) {
return;
}
e.kill();
change(e.getNode('maniphest-task'));
clear_selection();
});
// When the user clicks "Select All", select all tasks.
JX.DOM.listen(
JX.$(config.selectNone),
'click',
null,
function(e) {
changeall(false);
e.kill();
});
// When the user clicks "Clear Selection", clear the selection.
JX.DOM.listen(
JX.$(config.selectAll),
'click',
null,
function(e) {
changeall(true);
e.kill();
});
// When the user submits the form, dump selected state into it.
JX.DOM.listen(
JX.$(config.formID),
'submit',
null,
function(e) {
var inputs = [];
for (var k in selected) {
inputs.push(
JX.$N('input', {type: 'hidden', name: 'batch[]', value: k}));
}
JX.DOM.setContent(JX.$(config.idContainer), inputs);
});
update();
});

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