fullcalendar/src/common/DayEventRenderer.js

434 lines
11 KiB
JavaScript

function DayEventRenderer() {
var t = this;
// exports
t.renderDaySegs = renderDaySegs;
t.resizableDayEvent = resizableDayEvent;
// imports
var opt = t.opt;
var trigger = t.trigger;
var eventEnd = t.eventEnd;
var reportEventElement = t.reportEventElement;
var showEvents = t.showEvents;
var hideEvents = t.hideEvents;
var eventResize = t.eventResize;
var getRowCnt = t.getRowCnt;
var getColCnt = t.getColCnt;
var getColWidth = t.getColWidth;
var allDayRow = t.allDayRow;
var allDayBounds = t.allDayBounds;
var colContentLeft = t.colContentLeft;
var colContentRight = t.colContentRight;
var dayOfWeekCol = t.dayOfWeekCol;
var dateCell = t.dateCell;
var compileDaySegs = t.compileDaySegs;
var getDaySegmentContainer = t.getDaySegmentContainer;
var bindDaySeg = t.bindDaySeg; //TODO: streamline this
var formatDates = t.calendar.formatDates;
var renderDayOverlay = t.renderDayOverlay;
var clearOverlays = t.clearOverlays;
var clearSelection = t.clearSelection;
/* Rendering
-----------------------------------------------------------------------------*/
function renderDaySegs(segs, modifiedEventId) {
var segmentContainer = getDaySegmentContainer();
var rowDivs;
var rowCnt = getRowCnt();
var colCnt = getColCnt();
var i = 0;
var rowI;
var levelI;
var colHeights;
var j;
var segCnt = segs.length;
var seg;
var top;
var k;
segmentContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
daySegElementResolve(segs, segmentContainer.children());
daySegElementReport(segs);
daySegHandlers(segs, segmentContainer, modifiedEventId);
daySegCalcHSides(segs);
daySegSetWidths(segs);
daySegCalcHeights(segs);
rowDivs = getRowDivs();
// set row heights, calculate event tops (in relation to row top)
for (rowI=0; rowI<rowCnt; rowI++) {
levelI = 0;
colHeights = [];
for (j=0; j<colCnt; j++) {
colHeights[j] = 0;
}
while (i<segCnt && (seg = segs[i]).row == rowI) {
// loop through segs in a row
top = arrayMax(colHeights.slice(seg.startCol, seg.endCol));
seg.top = top;
top += seg.outerHeight;
for (k=seg.startCol; k<seg.endCol; k++) {
colHeights[k] = top;
}
i++;
}
rowDivs[rowI].height(arrayMax(colHeights));
}
daySegSetTops(segs, getRowTops(rowDivs));
}
function renderTempDaySegs(segs, adjustRow, adjustTop) {
var tempContainer = $("<div/>");
var elements;
var segmentContainer = getDaySegmentContainer();
var i;
var segCnt = segs.length;
var element;
tempContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
elements = tempContainer.children();
segmentContainer.append(elements);
daySegElementResolve(segs, elements);
daySegCalcHSides(segs);
daySegSetWidths(segs);
daySegCalcHeights(segs);
daySegSetTops(segs, getRowTops(getRowDivs()));
elements = [];
for (i=0; i<segCnt; i++) {
element = segs[i].element;
if (element) {
if (segs[i].row === adjustRow) {
element.css('top', adjustTop);
}
elements.push(element[0]);
}
}
return $(elements);
}
function daySegHTML(segs) { // also sets seg.left and seg.outerWidth
var rtl = opt('isRTL');
var i;
var segCnt=segs.length;
var seg;
var event;
var className;
var bounds = allDayBounds();
var minLeft = bounds.left;
var maxLeft = bounds.right;
var cols = []; // don't really like this system (but have to do this b/c RTL works differently in basic vs agenda)
var left;
var right;
var html = '';
// calculate desired position/dimensions, create html
for (i=0; i<segCnt; i++) {
seg = segs[i];
event = seg.event;
className = 'fc-event fc-event-hori ';
if (rtl) {
if (seg.isStart) {
className += 'fc-corner-right ';
}
if (seg.isEnd) {
className += 'fc-corner-left ';
}
cols[0] = dayOfWeekCol(seg.end.getDay()-1);
cols[1] = dayOfWeekCol(seg.start.getDay());
left = seg.isEnd ? colContentLeft(cols[0]) : minLeft;
right = seg.isStart ? colContentRight(cols[1]) : maxLeft;
}else{
if (seg.isStart) {
className += 'fc-corner-left ';
}
if (seg.isEnd) {
className += 'fc-corner-right ';
}
cols[0] = dayOfWeekCol(seg.start.getDay());
cols[1] = dayOfWeekCol(seg.end.getDay()-1);
left = seg.isStart ? colContentLeft(cols[0]) : minLeft;
right = seg.isEnd ? colContentRight(cols[1]) : maxLeft;
}
html +=
"<div class='" + className + event.className.join(' ') + "' style='position:absolute;z-index:8;left:"+left+"px'>" +
"<a class='fc-event-inner'" + (event.url ? " href='" + htmlEscape(event.url) + "'" : '') + ">" +
(!event.allDay && seg.isStart ?
"<span class='fc-event-time'>" +
htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
"</span>"
:'') +
"<span class='fc-event-title'>" + htmlEscape(event.title) + "</span>" +
"</a>" +
(seg.isEnd && (event.editable || event.editable === undefined && opt('editable')) && !opt('disableResizing') ?
"<div class='ui-resizable-handle ui-resizable-" + (rtl ? 'w' : 'e') + "'></div>"
: '') +
"</div>";
seg.left = left;
seg.outerWidth = right - left;
cols.sort(cmp);
seg.startCol = cols[0];
seg.endCol = cols[1] + 1;
}
return html;
}
function daySegElementResolve(segs, elements) { // sets seg.element
var i;
var segCnt = segs.length;
var seg;
var event;
var element;
var triggerRes;
for (i=0; i<segCnt; i++) {
seg = segs[i];
event = seg.event;
element = $(elements[i]); // faster than .eq()
triggerRes = trigger('eventRender', event, event, element);
if (triggerRes === false) {
element.remove();
}else{
if (triggerRes && triggerRes !== true) {
triggerRes = $(triggerRes)
.css({
position: 'absolute',
left: seg.left
});
element.replaceWith(triggerRes);
element = triggerRes;
}
seg.element = element;
}
}
}
function daySegElementReport(segs) {
var i;
var segCnt = segs.length;
var seg;
var element;
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
reportEventElement(seg.event, element);
}
}
}
function daySegHandlers(segs, segmentContainer, modifiedEventId) {
var i;
var segCnt = segs.length;
var seg;
var element;
var event;
// retrieve elements, run through eventRender callback, bind handlers
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
event = seg.event;
if (event._id === modifiedEventId) {
bindDaySeg(event, element, seg);
}else{
element[0]._fci = i; // for lazySegBind
}
}
}
lazySegBind(segmentContainer, segs, bindDaySeg);
}
function daySegCalcHSides(segs) { // also sets seg.key
var i;
var segCnt = segs.length;
var seg;
var element;
var key, val;
var hsideCache = {};
// record event horizontal sides
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
key = seg.key = cssKey(element[0]);
val = hsideCache[key];
if (val === undefined) {
val = hsideCache[key] = hsides(element, true);
}
seg.hsides = val;
}
}
}
function daySegSetWidths(segs) {
var i;
var segCnt = segs.length;
var seg;
var element;
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
element[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
}
}
}
function daySegCalcHeights(segs) {
var i;
var segCnt = segs.length;
var seg;
var element;
var key, val;
var vmarginCache = {};
// record event heights
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
key = seg.key; // created in daySegCalcHSides
val = vmarginCache[key];
if (val === undefined) {
val = vmarginCache[key] = vmargins(element);
}
seg.outerHeight = element[0].offsetHeight + val;
}
}
}
function getRowDivs() {
var i;
var rowCnt = getRowCnt();
var rowDivs = [];
for (i=0; i<rowCnt; i++) {
rowDivs[i] = allDayRow(i)
.find('td:first div.fc-day-content > div'); // optimal selector?
}
return rowDivs;
}
function getRowTops(rowDivs) {
var i;
var rowCnt = rowDivs.length;
var tops = [];
for (i=0; i<rowCnt; i++) {
tops[i] = rowDivs[i][0].offsetTop; // !!?? but this means the element needs position:relative if in a table cell!!!!
}
return tops;
}
function daySegSetTops(segs, rowTops) { // also triggers eventAfterRender
var i;
var segCnt = segs.length;
var seg;
var element;
var event;
for (i=0; i<segCnt; i++) {
seg = segs[i];
element = seg.element;
if (element) {
element[0].style.top = rowTops[seg.row] + (seg.top||0) + 'px';
event = seg.event;
trigger('eventAfterRender', event, event, element);
}
}
}
/* Resizing
-----------------------------------------------------------------------------------*/
function resizableDayEvent(event, element, seg) {
if (!opt('disableResizing') && seg.isEnd) {
var rtl = opt('isRTL');
var direction = rtl ? 'w' : 'e';
var handle = element.find('div.ui-resizable-' + direction);
handle.mousedown(function(ev) {
if (ev.which != 1) {
return; // needs to be left mouse button
}
var hoverListener = t.getHoverListener();
var rowCnt = getRowCnt();
var colCnt = getColCnt();
var dis = rtl ? -1 : 1;
var dit = rtl ? colCnt : 0;
var elementTop = element.css('top');
var dayDelta;
var helpers;
var eventCopy = $.extend({}, event);
var minCell = dateCell(event.start);
clearSelection();
$('body')
.css('cursor', direction + '-resize')
.one('mouseup', mouseup);
trigger('eventResizeStart', this, event, ev);
hoverListener.start(function(cell, origCell) {
if (cell) {
var r = Math.max(minCell.row, cell.row);
var c = cell.col;
if (rowCnt == 1) {
r = 0; // hack for all-day area in agenda views
}
if (r == minCell.row) {
if (rtl) {
c = Math.min(minCell.col, c);
}else{
c = Math.max(minCell.col, c);
}
}
dayDelta = (r*7 + c*dis+dit) - (origCell.row*7 + origCell.col*dis+dit);
var newEnd = addDays(eventEnd(event), dayDelta, true);
if (dayDelta) {
eventCopy.end = newEnd;
var oldHelpers = helpers;
helpers = renderTempDaySegs(compileDaySegs([eventCopy]), seg.row, elementTop);
helpers.find('*').css('cursor', direction + '-resize');
if (oldHelpers) {
oldHelpers.remove();
}
hideEvents(event);
}else{
if (helpers) {
showEvents(event);
helpers.remove();
helpers = null;
}
}
clearOverlays();
renderDayOverlay(event.start, addDays(cloneDate(newEnd), 1)); // coordinate grid already rebuild at hoverListener.start
}
}, ev);
function mouseup(ev) {
trigger('eventResizeStop', this, event, ev);
$('body').css('cursor', 'auto');
hoverListener.stop();
clearOverlays();
if (dayDelta) {
eventResize(this, event, dayDelta, 0, ev);
// event redraw will clear helpers
}
// otherwise, the drag handler already restored the old events
}
});
}
}
}