function HistoryWidget(div) {
this._div = div;
this.update();
}
HistoryWidget.prototype.update = function(onDone) {
var self = this;
Ajax.chainGetJSON(
"/command/get-history?" + $.param({ project: theProject.id }), null,
function(data) {
self._data = data;
self._render();
}
);
};
HistoryWidget.prototype._render = function() {
var self = this;
this._div.empty();
$('
History for Undo/Redo
').appendTo(this._div);
var bodyDiv = $('').addClass("history-panel-body").appendTo(this._div);
bodyDiv.mouseover(function() {
this.style.height = "300px";
}).mouseout(function() {
this.style.height = "50px";
});
var lastPast = null;
var renderEntry = function(container, entry, lastDoneID, title) {
var a = $('').appendTo(container);
a.addClass("history-entry").html(entry.description).attr("title", title).click(function(evt) {
return self._onClickHistoryEntry(evt, entry, lastDoneID);
});
return a;
};
var divPast = $('').addClass("history-past").appendTo(bodyDiv);
if (this._data.past.length == 0) {
$('').addClass("history-panel-message").text("No change to undo").appendTo(divPast);
} else {
for (var i = 0; i < this._data.past.length; i++) {
var entry = this._data.past[i];
lastPast = renderEntry(divPast, entry, i == 0 ? 0 : this._data.past[i - 1].id, "Undo to here");
}
}
$('').text("done upto here").addClass("history-now").appendTo(bodyDiv);
var divFuture = $('').addClass("history-future").appendTo(bodyDiv);
if (this._data.future.length == 0) {
$('').addClass("history-panel-message").text("No change to redo").appendTo(divFuture);
} else {
for (var i = 0; i < this._data.future.length; i++) {
var entry = this._data.future[i];
renderEntry(divFuture, entry, entry.id, "Redo to here");
}
}
if (lastPast != null) {
bodyDiv[0].scrollTop = lastPast[0].offsetTop;
}
};
HistoryWidget.prototype._onClickHistoryEntry = function(evt, entry, lastDoneID) {
var self = this;
$.post(
"/command/undo-redo?" + $.param({ project: theProject.id, lastDoneID: lastDoneID }),
null,
function(data) {
if (data.code == "ok") {
self.update();
ui.dataTableView.update();
} else {
// update process UI
}
},
"json"
);
};