Files
fullcalendar/src/resource/ResourceEventRenderer.js
T
2014-08-05 14:30:01 +01:00

755 lines
20 KiB
JavaScript

function ResourceEventRenderer() {
var t = this;
// exports
t.renderEvents = renderEvents;
t.clearEvents = clearEvents;
t.slotSegHtml = slotSegHtml;
// imports
DayEventRenderer.call(t);
var opt = t.opt;
var trigger = t.trigger;
var isEventDraggable = t.isEventDraggable;
var isEventResizable = t.isEventResizable;
var eventEnd = t.eventEnd;
var eventElementHandlers = t.eventElementHandlers;
var setHeight = t.setHeight;
var getDaySegmentContainer = t.getDaySegmentContainer;
var getSlotSegmentContainer = t.getSlotSegmentContainer;
var getHoverListener = t.getHoverListener;
var getMaxMinute = t.getMaxMinute;
var getMinMinute = t.getMinMinute;
var timePosition = t.timePosition;
var getIsCellAllDay = t.getIsCellAllDay;
var colContentLeft = t.colContentLeft;
var colContentRight = t.colContentRight;
var cellToDate = t.cellToDate;
var segmentCompare = t.segmentCompare;
var getColCnt = t.getColCnt;
var getColWidth = t.getColWidth;
var getSnapHeight = t.getSnapHeight;
var getSnapMinutes = t.getSnapMinutes;
var getSlotContainer = t.getSlotContainer;
var reportEventElement = t.reportEventElement;
var showEvents = t.showEvents;
var hideEvents = t.hideEvents;
var eventDrop = t.eventDrop;
var eventResize = t.eventResize;
var renderDayOverlay = t.renderDayOverlay;
var clearOverlays = t.clearOverlays;
var renderDayEvents = t.renderDayEvents;
var calendar = t.calendar;
var formatDate = calendar.formatDate;
var formatDates = calendar.formatDates;
var resources = t.getResources;
// overrides
t.draggableDayEvent = draggableDayEvent;
/* Rendering
----------------------------------------------------------------------------*/
function renderEvents(events, modifiedEventId) {
var i, len=events.length,
dayEvents=[],
slotEvents=[];
for (i=0; i<len; i++) {
if (events[i].allDay) {
dayEvents.push(events[i]);
}else{
slotEvents.push(events[i]);
}
}
if (opt('allDaySlot')) {
renderDayEvents(dayEvents, modifiedEventId);
setHeight(); // no params means set to viewHeight
}
renderSlotSegs(compileSlotSegs(slotEvents), modifiedEventId);
}
function clearEvents() {
getDaySegmentContainer().empty();
getSlotSegmentContainer().empty();
}
function compileSlotSegs(events) {
var colCnt = getColCnt(),
minMinute = getMinMinute(),
maxMinute = getMaxMinute(),
d,
visEventEnds,
i, col,
j, level,
k, seg,
segs = [];
for (i=0; i<colCnt; i++) {
d = t.visStart.clone();
d.add('m', minMinute);
var resourceEvents = eventsForResource(resources()[i], events);
visEventEnds = $.map(resourceEvents, slotEventEnd);
col = stackAgendaSegs(
sliceSegs(
resourceEvents,
visEventEnds,
d,
d.clone().add('m', maxMinute-minMinute)
)
);
countForwardSegs(col);
for (j=0; j<col.length; j++) {
level = col[j];
for (k=0; k<level.length; k++) {
seg = level[k];
seg.col = i;
seg.level = j;
segs.push(seg);
}
}
}
return segs;
}
function sliceSegs(events, visEventEnds, start, end) {
var segs = [],
i, len=events.length, event,
eventStart, eventEnd,
segStart, segEnd,
isStart, isEnd;
for (i=0; i<len; i++) {
event = events[i];
eventStart = event.start;
eventEnd = visEventEnds[i];
if (eventEnd > start && eventStart < end) {
if (eventStart < start) {
segStart = start.clone();
isStart = false;
}else{
segStart = eventStart;
isStart = true;
}
if (eventEnd > end) {
segEnd = end.clone();
isEnd = false;
}else{
segEnd = eventEnd;
isEnd = true;
}
segs.push({
event: event,
start: segStart,
end: segEnd,
isStart: isStart,
isEnd: isEnd,
msLength: segEnd - segStart
});
}
}
return segs.sort(segmentCompare);
}
function eventsForResource(resource, events) {
var resourceEvents = [];
for (var i = 0; i < events.length; i++) {
if (events[i].resources && $.inArray(resource.id, events[i].resources) >= 0) {
resourceEvents.push(events[i]);
}
}
return resourceEvents;
}
function slotEventEnd(event) {
if (event.end) {
return event.end.clone();
}else{
return event.start.clone().add('m', opt('defaultEventMinutes'));
}
}
// renders events in the 'time slots' at the bottom
// TODO: when we refactor this, when user returns `false` eventRender, don't have empty space
// TODO: refactor will include using pixels to detect collisions instead of dates (handy for seg cmp)
function renderSlotSegs(segs, modifiedEventId) {
var i, segCnt=segs.length, seg,
event,
classes,
top, bottom,
colI, levelI, forward,
leftmost,
availWidth,
outerWidth,
left,
html='',
eventElements,
eventElement,
triggerRes,
titleElement,
height,
slotSegmentContainer = getSlotSegmentContainer(),
rtl, dis;
if (rtl === opt('isRTL')) {
dis = -1;
}else{
dis = 1;
}
// calculate position/dimensions, create html
for (i=0; i<segCnt; i++) {
seg = segs[i];
event = seg.event;
top = timePosition(seg.start, seg.start);
bottom = timePosition(seg.start, seg.end);
colI = seg.col;
levelI = seg.level;
forward = seg.forward || 0;
leftmost = colContentLeft(colI);
availWidth = colContentRight(colI) - leftmost;
availWidth = Math.min(availWidth-6, availWidth*.95); // TODO: move this to CSS
if (levelI) {
// indented and thin
outerWidth = availWidth / (levelI + forward + 1);
}else{
if (forward) {
// moderately wide, aligned left still
outerWidth = ((availWidth / (forward + 1)) - (12/2)) * 2; // 12 is the predicted width of resizer =
}else{
// can be entire width, aligned left
outerWidth = availWidth;
}
}
left = leftmost + // leftmost possible
(availWidth / (levelI + forward + 1) * levelI) * // indentation
dis + (rtl ? availWidth - outerWidth : 0); // rtl
seg.top = top;
seg.left = left;
seg.outerWidth = outerWidth;
seg.outerHeight = bottom - top;
html += slotSegHtml(event, seg);
}
slotSegmentContainer[0].innerHTML = html; // faster than html()
eventElements = slotSegmentContainer.children();
// retrieve elements, run through eventRender callback, bind event handlers
for (i=0; i<segCnt; i++) {
seg = segs[i];
event = seg.event;
eventElement = $(eventElements[i]); // faster than eq()
triggerRes = trigger('eventRender', event, event, eventElement);
if (triggerRes === false) {
eventElement.remove();
}else{
if (triggerRes && triggerRes !== true) {
eventElement.remove();
eventElement = $(triggerRes)
.css({
position: 'absolute',
top: seg.top,
left: seg.left
})
.appendTo(slotSegmentContainer);
}
seg.element = eventElement;
if (event._id === modifiedEventId) {
bindSlotSeg(event, eventElement, seg);
}else{
eventElement[0]._fci = i; // for lazySegBind
}
reportEventElement(event, eventElement);
}
}
lazySegBind(slotSegmentContainer, segs, bindSlotSeg);
// record event sides and title positions
for (i=0; i<segCnt; i++) {
seg = segs[i];
if (eventElement === seg.element) {
seg.vsides = vsides(eventElement, true);
seg.hsides = hsides(eventElement, true);
titleElement = eventElement.find('.fc-event-title');
if (titleElement.length) {
seg.contentTop = titleElement[0].offsetTop;
}
}
}
// set all positions/dimensions at once
for (i=0; i<segCnt; i++) {
seg = segs[i];
if (eventElement === seg.element) {
eventElement[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
height = Math.max(0, seg.outerHeight - seg.vsides);
eventElement[0].style.height = height + 'px';
event = seg.event;
if (seg.contentTop !== undefined && height - seg.contentTop < 10) {
// not enough room for title, put it in the time (TODO: maybe make both display:inline instead)
eventElement.find('div.fc-event-time')
.text(formatDate(event.start, opt('timeFormat')) + ' - ' + event.title);
eventElement.find('div.fc-event-title')
.remove();
}
trigger('eventAfterRender', event, event, eventElement);
}
}
}
function slotSegHtml(event, seg) {
var html = "<";
var url = event.url;
var skinCss = getSkinCss(event, opt);
var classes = ['fc-event', 'fc-event-vert'];
if (isEventDraggable(event)) {
classes.push('fc-event-draggable');
}
if (seg.isStart) {
classes.push('fc-event-start');
}
if (seg.isEnd) {
classes.push('fc-event-end');
}
classes = classes.concat(event.className);
if (event.source) {
classes = classes.concat(event.source.className || []);
}
if (url) {
html += "a href='" + htmlEscape(event.url) + "'";
}else{
html += "div";
}
html +=
" class='" + classes.join(' ') + "'" +
" style=" +
"'" +
"position:absolute;" +
"top:" + seg.top + "px;" +
"left:" + seg.left + "px;" +
skinCss +
"'" +
">" +
"<div class='fc-event-inner'>" +
"<div class='fc-event-time'>" +
htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
"</div>" +
"<div class='fc-event-title'>" +
htmlEscape(event.title || '') +
"</div>" +
"</div>" +
"<div class='fc-event-bg'></div>";
if (seg.isEnd && isEventResizable(event)) {
html +=
"<div class='ui-resizable-handle ui-resizable-s'>=</div>";
}
html +=
"</" + (url ? "a" : "div") + ">";
return html;
}
function bindSlotSeg(event, eventElement, seg) {
var timeElement = eventElement.find('div.fc-event-time');
if (isEventDraggable(event)) {
draggableSlotEvent(event, eventElement, timeElement);
}
if (seg.isEnd && isEventResizable(event)) {
resizableSlotEvent(event, eventElement, timeElement);
}
eventElementHandlers(event, eventElement);
}
/* Dragging
-----------------------------------------------------------------------------------*/
// when event starts out FULL-DAY
// overrides DayEventRenderer's version because it needs to account for dragging elements
// to and from the slot area.
function draggableDayEvent(event, eventElement, seg) {
var isStart = seg.isStart;
var origWidth;
var revert;
var allDay = true;
var dayDelta;
var hoverListener = getHoverListener();
var colWidth = getColWidth();
var snapHeight = getSnapHeight();
var snapMinutes = getSnapMinutes();
var minMinute = getMinMinute();
eventElement.draggable({
opacity: opt('dragOpacity', 'month'), // use whatever the month view was using
revertDuration: opt('dragRevertDuration'),
start: function(ev, ui) {
trigger('eventDragStart', eventElement, event, ev, ui);
hideEvents(event, eventElement);
origWidth = eventElement.width();
hoverListener.start(function(cell, origCell) {
clearOverlays();
if (cell) {
revert = false;
var origDate = cellToDate(0, origCell.col);
var date = cellToDate(0, cell.col);
dayDelta = dayDiff(date, origDate);
if (!cell.row) {
// on full-days
renderDayOverlay(
event.start.clone().add('d', dayDelta),
exclEndDay(event).add('d', dayDelta)
);
resetElement();
}else{
// mouse is over bottom slots
if (isStart) {
if (allDay) {
// convert event to temporary slot-event
eventElement.width(colWidth - 10); // don't use entire width
setOuterHeight(
eventElement,
snapHeight * Math.round(
(event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes')) /
snapMinutes
)
);
eventElement.draggable('option', 'grid', [colWidth, 1]);
allDay = false;
}
}else{
revert = true;
}
}
revert = revert || (allDay && !dayDelta);
}else{
resetElement();
revert = true;
}
eventElement.draggable('option', 'revert', revert);
}, ev, 'drag');
},
stop: function(ev, ui) {
hoverListener.stop();
clearOverlays();
trigger('eventDragStop', eventElement, event, ev, ui);
if (revert) {
// hasn't moved or is out of bounds (draggable has already reverted)
resetElement();
eventElement.css('filter', ''); // clear IE opacity side-effects
showEvents(event, eventElement);
}else{
// changed!
var minuteDelta = 0;
if (!allDay) {
minuteDelta = Math.round((eventElement.offset().top - getSlotContainer().offset().top) / snapHeight) *
snapMinutes +
minMinute -
(event.start.getHours() * 60 + event.start.getMinutes());
}
eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
}
}
});
function resetElement() {
if (!allDay) {
eventElement
.width(origWidth)
.height('')
.draggable('option', 'grid', null);
allDay = true;
}
}
}
// when event starts out IN TIMESLOTS
function draggableSlotEvent(event, eventElement, timeElement) {
var coordinateGrid = t.getCoordinateGrid();
var colCnt = getColCnt();
var colWidth = getColWidth();
var snapHeight = getSnapHeight();
var snapMinutes = getSnapMinutes();
// states
var origPosition; // original position of the element, not the mouse
var origCell;
var isInBounds, prevIsInBounds;
var isAllDay, prevIsAllDay;
var colDelta, prevColDelta;
var dayDelta; // derived from colDelta
var resourceDelta; // derived from colDelta
var minuteDelta, prevMinuteDelta;
eventElement.draggable({
scroll: false,
grid: [ colWidth, snapHeight ],
axis: colCnt==1 ? 'y' : false,
opacity: opt('dragOpacity'),
revertDuration: opt('dragRevertDuration'),
start: function(ev, ui) {
trigger('eventDragStart', eventElement, event, ev, ui);
hideEvents(event, eventElement);
coordinateGrid.build();
// initialize states
origPosition = eventElement.position();
origCell = coordinateGrid.cell(ev.pageX, ev.pageY);
isInBounds = prevIsInBounds = true;
isAllDay = prevIsAllDay = getIsCellAllDay(origCell);
colDelta = prevColDelta = 0;
dayDelta = 0;
resourceDelta = 0;
minuteDelta = prevMinuteDelta = 0;
},
drag: function(ev, ui) {
// NOTE: this `cell` value is only useful for determining in-bounds and all-day.
// Bad for anything else due to the discrepancy between the mouse position and the
// element position while snapping. (problem revealed in PR #55)
//
// PS- the problem exists for draggableDayEvent() when dragging an all-day event to a slot event.
// We should overhaul the dragging system and stop relying on jQuery UI.
var cell = coordinateGrid.cell(ev.pageX, ev.pageY);
// update states
isInBounds = !!cell;
if (isInBounds) {
isAllDay = getIsCellAllDay(cell);
// calculate column delta
colDelta = Math.round((ui.position.left - origPosition.left) / colWidth);
if (colDelta != prevColDelta) {
// calculate the day delta based off of the original clicked column and the column delta
//var origDate = cellToDate(0, origCell.col);
//var col = origCell.col + colDelta;
//col = Math.max(0, col);
//col = Math.min(colCnt-1, col);
//var date = cellToDate(0, col);
//dayDelta = 0; //dayDiff(date, origDate);
resourceDelta = colDelta;
}
// calculate minute delta (only if over slots)
if (!isAllDay) {
minuteDelta = Math.round((ui.position.top - origPosition.top) / snapHeight) * snapMinutes;
}
}
// any state changes?
if (
isInBounds != prevIsInBounds ||
isAllDay != prevIsAllDay ||
colDelta != prevColDelta ||
minuteDelta != prevMinuteDelta
) {
updateUI();
// update previous states for next time
prevIsInBounds = isInBounds;
prevIsAllDay = isAllDay;
prevColDelta = colDelta;
prevMinuteDelta = minuteDelta;
}
// if out-of-bounds, revert when done, and vice versa.
eventElement.draggable('option', 'revert', !isInBounds);
},
stop: function(ev, ui) {
clearOverlays();
trigger('eventDragStop', eventElement, event, ev, ui);
//if (isInBounds && (isAllDay || dayDelta || minuteDelta)) { // changed!
if (isInBounds && (isAllDay || resourceDelta || minuteDelta)) { // changed!
event.resources = resources()[origCell.col + resourceDelta].id;
eventDrop(this, event, dayDelta, isAllDay ? 0 : minuteDelta, isAllDay, ev, ui);
}
else { // either no change or out-of-bounds (draggable has already reverted)
// reset states for next time, and for updateUI()
isInBounds = true;
isAllDay = false;
colDelta = 0;
dayDelta = 0;
minuteDelta = 0;
updateUI();
eventElement.css('filter', ''); // clear IE opacity side-effects
// sometimes fast drags make event revert to wrong position, so reset.
// also, if we dragged the element out of the area because of snapping,
// but the *mouse* is still in bounds, we need to reset the position.
eventElement.css(origPosition);
showEvents(event, eventElement);
}
}
});
function updateUI() {
clearOverlays();
if (isInBounds) {
if (isAllDay) {
timeElement.hide();
eventElement.draggable('option', 'grid', null); // disable grid snapping
renderDayOverlay(
event.start.clone().add('d', dayDelta),
exclEndDay(event).add('d', dayDelta)
);
}
else {
updateTimeText(minuteDelta);
timeElement.css('display', ''); // show() was causing display=inline
eventElement.draggable('option', 'grid', [colWidth, snapHeight]); // re-enable grid snapping
}
}
}
function updateTimeText(minuteDelta) {
var newStart = event.start.clone().add('m', minuteDelta);
var newEnd;
if (event.end) {
newEnd = event.end.clone().add('m', minuteDelta);
}
timeElement.text(formatDates(newStart, newEnd, opt('timeFormat')));
}
}
/* Resizing
--------------------------------------------------------------------------------------*/
function resizableSlotEvent(event, eventElement, timeElement) {
var snapDelta, prevSnapDelta;
var snapHeight = getSnapHeight();
var snapMinutes = getSnapMinutes();
eventElement.resizable({
handles: {
s: '.ui-resizable-handle'
},
grid: snapHeight,
start: function(ev, ui) {
snapDelta = prevSnapDelta = 0;
hideEvents(event, eventElement);
trigger('eventResizeStart', this, event, ev, ui);
},
resize: function(ev, ui) {
// don't rely on ui.size.height, doesn't take grid into account
snapDelta = Math.round((Math.max(snapHeight, eventElement.height()) - ui.originalSize.height) / snapHeight);
if (snapDelta != prevSnapDelta) {
timeElement.text(
formatDates(
event.start,
(!snapDelta && !event.end) ? null : // no change, so don't display time range
eventEnd(event).add('m', snapMinutes*snapDelta),
opt('timeFormat')
)
);
prevSnapDelta = snapDelta;
}
},
stop: function(ev, ui) {
trigger('eventResizeStop', this, event, ev, ui);
if (snapDelta) {
eventResize(this, event, 0, snapMinutes*snapDelta, ev, ui);
}else{
showEvents(event, eventElement);
// BUG: if event was really short, need to put title back in span
}
}
});
}
}
/* Agenda Event Segment Utilities
-----------------------------------------------------------------------------*/
// TODO: maybe somehow consolidate this with DayEventRenderer's segment system
function stackAgendaSegs(segs) {
var levels = [],
i, len = segs.length, seg,
j, collide, k;
for (i=0; i<len; i++) {
seg = segs[i];
j = 0; // the level index where seg should belong
while (true) {
collide = false;
if (levels[j]) {
for (k=0; k<levels[j].length; k++) {
if (agendaSegsCollide(levels[j][k], seg)) {
collide = true;
break;
}
}
}
if (collide) {
j++;
}else{
break;
}
}
if (levels[j]) {
levels[j].push(seg);
}else{
levels[j] = [seg];
}
}
return levels;
}
function countForwardSegs(levels) {
var i, j, k, level, segForward, segBack;
for (i=levels.length-1; i>0; i--) {
level = levels[i];
for (j=0; j<level.length; j++) {
segForward = level[j];
for (k=0; k<levels[i-1].length; k++) {
segBack = levels[i-1][k];
if (agendaSegsCollide(segForward, segBack)) {
segBack.forward = Math.max(segBack.forward||0, (segForward.forward||0)+1);
}
}
}
}
}
function agendaSegsCollide(seg1, seg2) {
return seg1.end > seg2.start && seg1.start < seg2.end;
}