src/hg/js/hgTracks.js 1.29
1.29 2009/06/27 20:10:53 tdreszer
Tweeks to get post on click to work in IE
Index: src/hg/js/hgTracks.js
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/js/hgTracks.js,v
retrieving revision 1.28
retrieving revision 1.29
diff -b -B -U 1000000 -r1.28 -r1.29
--- src/hg/js/hgTracks.js 26 Jun 2009 23:35:15 -0000 1.28
+++ src/hg/js/hgTracks.js 27 Jun 2009 20:10:53 -0000 1.29
@@ -1,271 +1,293 @@
// Javascript for use in hgTracks CGI
// $Header$
var debug = false;
var originalPosition;
var originalSize;
var clickClipHeight;
var startDragZoom = null;
var mapHtml;
var newWinWidth;
var imageV2 = false;
function commify (str) {
if(typeof(str) == "number")
str = str + "";
var n = str.length;
if (n <= 3) {
return str;
} else {
var pre = str.substring(0, n-3);
var post = str.substring(n-3);
var pre = commify(pre);
return pre + "," + post;
}
}
function initVars(img)
{
// There are various entry points, so we call initVars in several places to make sure this variables get updated.
if(!originalPosition) {
// remember initial position and size so we can restore it if user cancels
originalPosition = $('#positionHidden').val();
originalSize = $('#size').text();
}
}
function selectStart(img, selection)
{
initVars();
var now = new Date();
startDragZoom = now.getTime();
// vvvvvvv Should be obsolete since maps items are ignored when startDragZoom is set
if(imageV2 == false) {
jQuery.each(jQuery.browser, function(i, val) {
if(i=="msie" && val) {
// Very hacky way to solve following probem specif to IE:
// If the user ends selection with the mouse in a map box item, the map item
// is choosen instead of the selection; to fix this, we remove map box items
// during the mouse selection process.
mapHtml = $('#map').html();
$('#map').empty();
}
});
}
// ^^^^^^^^ Should be obsolete since maps items are ignored when startDragZoom is set
}
function setPosition(position, size)
{
// Set value of position and size (in hiddens and input elements).
// We assume size has already been commified.
// Either position or size may be null.
if(position) {
// XXXX There are multiple tags with name == "position":^(
var tags = document.getElementsByName("position");
for (var i = 0; i < tags.length; i++) {
var ele = tags[i];
ele.value = position;
}
}
if(size) {
$('#size').text(size);
}
}
function updatePosition(img, selection, singleClick)
{
// singleClick is true when the mouse hasn't moved (or has only moved a small amount).
var insideX = parseInt(document.getElementById("hgt.insideX").value);
var revCmplDisp = parseInt(document.getElementById("hgt.revCmplDisp").value) == 0 ? false : true;
var chromName = document.getElementById("hgt.chromName").value;
var winStart = parseInt(document.getElementById("hgt.winStart").value);
var winEnd = parseInt(document.getElementById("hgt.winEnd").value);
var imgWidth = jQuery(img).width() - insideX;
var width = winEnd - winStart;
var newPos = null;
var newSize = null;
var mult = width / imgWidth; // mult is bp/pixel multiplier
var startDelta; // startDelta is how many bp's to the right/left
if(revCmplDisp) {
var x1 = Math.min(imgWidth, selection.x1);
startDelta = Math.floor(mult * (imgWidth - x1));
} else {
var x1 = Math.max(insideX, selection.x1);
startDelta = Math.floor(mult * (x1 - insideX));
}
if(singleClick) {
var newStart = (winStart + 1) + (startDelta - Math.floor(newWinWidth / 2));
if(newStart < 1) {
newStart = 1;
newEnd = newWinWidth;
} else {
// hgTracks gracefully handles overflow past the end of the chrom, so don't worry about that.
newEnd = (winStart + 1) + (startDelta + Math.floor(newWinWidth / 2));
}
newPos = chromName + ":" + newStart + "-" + newEnd;
newSize = newEnd - newStart + 1;
} else {
var endDelta;
if(revCmplDisp) {
endDelta = startDelta;
var x2 = Math.min(imgWidth, selection.x2);
startDelta = Math.floor(mult * (imgWidth - x2));
} else {
var x2 = Math.max(insideX, selection.x2);
endDelta = Math.floor(mult * (x2 - insideX));
}
var newStart = winStart + 1 + startDelta;
var newEnd = winStart + 1 + endDelta;
if(newEnd > winEnd) {
newEnd = winEnd;
}
newPos = chromName + ":" + newStart + "-" + newEnd;
newSize = newEnd - newStart + 1;
}
if(newPos != null) {
setPosition(newPos, commify(newSize));
return true;
}
}
function selectChange(img, selection)
{
initVars();
updatePosition(img, selection, false);
return true;
}
function selectEnd(img, selection)
{
var imgWidth = jQuery(img).width();
var imgHeight = jQuery(img).height();
var imgOfs = jQuery(img).offset();
// ignore releases outside of the image rectangle (allowing a 10 pixel slop)
var slop = 10;
var now = new Date();
var doIt = false;
if((selection.event.pageX >= (imgOfs.left - slop)) && (selection.event.pageX < (imgOfs.left + imgWidth + slop))
&& (selection.event.pageY >= (imgOfs.top - slop)) && (selection.event.pageY < (imgOfs.top + imgHeight + slop))) {
// ignore single clicks that aren't in the top of the image (this happens b/c the clickClipHeight test in selectStart
// doesn't occur when the user single clicks).
doIt = startDragZoom != null || selection.y1 <= clickClipHeight;
}
if(doIt) {
// startDragZoom is null if mouse has never been moved
if(updatePosition(img, selection, (selection.x2 == selection.x1) || startDragZoom == null || (now.getTime() - startDragZoom) < 100)) {
document.TrackHeaderForm.submit();
}
} else {
setPosition(originalPosition, originalSize);
originalPosition = originalSize = null;
if(mapHtml) {
$('#map').append(mapHtml);
}
}
setTimeout('mapHtml = startDragZoom = null;',50); // Necessary incase the selectEnd was over a map item. select takes precedence.
return true;
}
$(window).load(function () {
// jQuery load function with stuff to support drag selection in track img
var rulerEle = document.getElementById("hgt.rulerClickHeight");
var dragSelectionEle = document.getElementById("hgt.dragSelection");
// disable if ruler is not visible.
if((dragSelectionEle != null) && (dragSelectionEle.value == '1') && (rulerEle != null)) {
var imgHeight = 0;
var imgWidth = 0;
var img = $('#img_data_ruler');
if(img==undefined || img.length == 0) { // Revert to old imageV1
img = $('#trackMap');
imgHeight = jQuery(img).height();
imgWidth = jQuery(img).width();
} else {
imageV2 = true;
imgHeight = $('#imgTbl').height();
imgWidth = $('#td_data_ruler').width();
}
clickClipHeight = parseInt(rulerEle.value);
newWinWidth = parseInt(document.getElementById("hgt.newWinWidth").value);
img.imgAreaSelect({ selectionColor: 'blue', outerColor: '',
minHeight: imgHeight, maxHeight: imgHeight,
onSelectStart: selectStart, onSelectChange: selectChange, onSelectEnd: selectEnd,
autoHide: true, movable: false,
clickClipHeight: clickClipHeight});
}
});
function toggleTrackGroupVisibility(button, prefix)
{
// toggle visibility of a track group; prefix is the prefix of all the id's of tr's in the
// relevant group. This code also modifies the corresponding hidden fields and the gif of the +/- img tag.
var retval = true;
var hidden = $("input[name='hgtgroup_"+prefix+"_close']")
var newVal=1; // we're going - => +
if($(button) != undefined && $(hidden) != undefined && $(hidden).length > 0) {
var oldSrc = $(button).attr("src");
if(arguments.length > 2)
newVal = arguments[2] ? 0 : 1;
else
newVal = oldSrc.indexOf("/remove") > 0 ? 1 : 0;
var newSrc;
if(newVal == 1) {
newSrc = oldSrc.replace("/remove", "/add");
$("tr[id^='"+prefix+"-']").hide();
} else {
newSrc = oldSrc.replace("/add", "/remove");
$("tr[id^='"+prefix+"-']").show();
}
$(button).attr("src",newSrc);
$(hidden).val(newVal);
retval = false;
}
return retval;
}
function setAllTrackGroupVisibility(newState)
{
// Set visibility of all track groups to newState (true means expanded).
// This code also modifies the corresponding hidden fields and the gif's of the +/- img tag.
$("img[id$='_button']").each( function (i) {
if(this.src.indexOf("/remove") > 0 || this.src.indexOf("/add") > 0)
toggleTrackGroupVisibility(this,this.id.substring(0,this.id.length - 7),newState); // clip '_button' suffix
});
return false;
}
+function imgTblSetOrder(table)
+{
+// Sets the 'order' value for the image table after a drag reorder
+ $("input[name$='_imgOrd']").each(function (i) {
+ var tr = $(this).parents('tr');
+ if($(this).val() != $(tr).attr('rowIndex')) {
+ //alert('Reordered '+$(this).val() + " to "+$(tr).attr('rowIndex'));
+ $(this).val($(tr).attr('rowIndex'));
+ }
+ });
+}
$(document).ready(function()
{
// Convert map AREA gets to post the form, ensuring that cart variables are kept up to date
$('a,area').not("[href*='#']").filter("[target='']").click(function(i) {
if(startDragZoom != null)
return false;
var thisForm=$(this).parents('form');
- if(thisForm != undefined && thisForm.length == 1)
+ if(thisForm == undefined || $(thisForm).length == 0)
+ thisForm=$("FORM");
+ if($(thisForm).length > 1)
+ thisForm=$(thisForm)[0];
+ if(thisForm != undefined && $(thisForm).length == 1) {
+ //alert("posting form:"+$(thisForm).attr('name'));
return postTheForm($(thisForm).attr('name'),this.href);
+ }
return true;
});
if($('#imgTbl').length == 1) {
imageV2 = true;
// Make imgTbl allow draw reorder of imgTrack rows
if($(".tableWithDragAndDrop").length > 0) {
$(".tableWithDragAndDrop").tableDnD({
onDragClass: "trDrag",
- dragHandle: "dragHandle"
+ dragHandle: "dragHandle",
+ onDrop: function(table, row) {
+ if(imgTblSetOrder) {
+ imgTblSetOrder(table);
+ }
+ }
});
}
// Turn on drag scrolling.
//$(".panDivScroller").panImages($(".panDivScroller").width(),0,0);
// Temporary warning while new imageV2 code is being worked through
- if($('#map').children().length > 0) {
+ if($('#map').children("AREA").length > 0) {
alert('Using imageV2, but old map is not empty!');
}
}
});