RetailCRM-Mirror/select2
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dropdown can now open above or below control depending on available screens pace. fixes #120. based on #197

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This commit is contained in:
Igor Vaynberg 2012-07-11 12:33:38 +03:00
parent 2c0344a520
commit 482cc409ea
2 changed files with 81 additions and 6 deletions
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34
select2.css
View File

@ -54,6 +54,21 @@ Version: @@ver@@ Timestamp: @@timestamp@@
text-decoration: none;
}
.select2-container.select2-drop-above .select2-choice
{
border-bottom-color: #aaa;
-webkit-border-radius:0px 0px 4px 4px;
-moz-border-radius:0px 0px 4px 4px;
border-radius:0px 0px 4px 4px;
background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eeeeee), color-stop(0.9, white));
background-image: -webkit-linear-gradient(center bottom, #eeeeee 0%, white 90%);
background-image: -moz-linear-gradient(center bottom, #eeeeee 0%, white 90%);
background-image: -o-linear-gradient(bottom, #eeeeee 0%, white 90%);
background-image: -ms-linear-gradient(top, #eeeeee 0%,#ffffff 90%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#ffffff',GradientType=0 );
background-image: linear-gradient(top, #eeeeee 0%,#ffffff 90%);
}
.select2-container .select2-choice span {
margin-right: 26px;
display: block;
@ -102,6 +117,20 @@ Version: @@ver@@ Timestamp: @@timestamp@@
border-radius: 0 0 4px 4px;
}
.select2-drop.select2-drop-above {
-webkit-border-radius: 4px 4px 0px 0px;
-moz-border-radius: 4px 4px 0px 0px;
border-radius: 4px 4px 0px 0px;
margin-top:1px;
border-top: 1px solid #aaa;
border-bottom: 0;
-webkit-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
-moz-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
-o-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
}
.select2-container .select2-choice div {
-webkit-border-radius: 0 4px 4px 0;
-moz-border-radius: 0 4px 4px 0;
@ -175,6 +204,11 @@ Version: @@ver@@ Timestamp: @@timestamp@@
-webkit-border-radius: 0;
}
.select2-drop.select2-drop-above .select2-search input
{
margin-top:4px;
}
.select2-search input.select2-active {
background: #fff url('spinner.gif') no-repeat 100%;
background: url('spinner.gif') no-repeat 100%, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, white), color-stop(0.99, #eeeeee));

43
select2.js
View File

@ -729,8 +729,37 @@
var offset = this.container.offset(),
height = this.container.outerHeight(),
width = this.container.outerWidth(),
dropHeight = this.dropdown.outerHeight(),
viewportBottom = document.body.scrollTop + document.documentElement.clientHeight,
dropTop = offset.top + height,
enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
enoughRoomAbove = (offset.top - dropHeight) >= document.body.scrollTop,
aboveNow = this.dropdown.hasClass("select2-drop-above"),
above,
css;
// always prefer the current above/below alignment, unless there is not enough room
if (aboveNow) {
above = true;
if (!enoughRoomAbove && enoughRoomBelow) above = false;
} else {
above = false;
if (!enoughRoomBelow && enoughRoomAbove) above = true;
}
if (above) {
dropTop = offset.top - dropHeight;
this.container.addClass("select2-drop-above");
this.dropdown.addClass("select2-drop-above");
}
else {
this.container.removeClass("select2-drop-above");
this.dropdown.removeClass("select2-drop-above");
}
css = {
top: offset.top + height,
top:dropTop,
left:offset.left,
width:width
};
@ -749,6 +778,13 @@
return !event.isDefaultPrevented();
},
// abstract
clearDropdownAlignmentPreference: function() {
// clear the classes used to figure out the preference of where the dropdown should be opened
this.container.removeClass("select2-drop-above");
this.dropdown.removeClass("select2-drop-above");
},
/**
* Opens the dropdown
*
@ -760,6 +796,8 @@
if (!this.shouldOpen()) return false;
this.clearDropdownAlignmentPreference();
if (this.search.val() === " ") { this.search.val(""); }
this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
@ -784,6 +822,8 @@
close: function () {
if (!this.opened()) return;
this.clearDropdownAlignmentPreference();
this.dropdown.hide();
this.container.removeClass("select2-dropdown-open");
this.results.empty();
@ -1575,6 +1615,7 @@
// multi
open: function () {
if (this.parent.open.apply(this, arguments) === false) return false;
this.clearPlaceholder();
this.resizeSearch();
this.focusSearch();