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Added search in selectBox dropdown with scroll #186

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Added search in selectBox dropdown with scroll #186

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12 changes: 12 additions & 0 deletions jquery.selectBox.css
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,18 @@
overflow: hidden;
}

.selectBox-dropdown .selectBox-input,
.selectBox-dropdown .selectBox-input:focus
{
border:none;
outline: none;
height: 25px;
width: 100%;
padding: 0;
margin: 0;
display:none;
}

.selectBox-dropdown .selectBox-arrow {
position: absolute;
top: 0;
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100 changes: 92 additions & 8 deletions jquery.selectBox.js
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Original file line number Diff line number Diff line change
Expand Up @@ -158,18 +158,25 @@
} else {
// Dropdown controls
var label = $('<span class="selectBox-label" />'),
arrow = $('<span class="selectBox-arrow" />');
arrow = $('<span class="selectBox-arrow" />'),
input = $('<input type="text" class="selectBox-input"/>');

// Update label
label.attr('class', this.getLabelClass()).html(this.getLabelHtml());
options = this.getOptions('dropdown');
options.appendTo('BODY');

input
.bind('input.selectBox', function (event) {
self.handleInput(event);
});

control
.data('selectBox-options', options)
.addClass('selectBox-dropdown')
.append(label)
.append(arrow)
.append(input)
.bind('mousedown.selectBox', function (event) {
if (1 === event.which) {
if (control.hasClass('selectBox-menuShowing')) {
Expand All @@ -187,9 +194,6 @@
.bind('keydown.selectBox', function (event) {
self.handleKeyDown(event);
})
.bind('keypress.selectBox', function (event) {
self.handleKeyPress(event);
})
.bind('open.selectBox',function (event, triggerData) {
if (triggerData && triggerData._selectBox === true) {
return;
Expand Down Expand Up @@ -451,7 +455,10 @@
, select = $(this.selectElement)
, control = select.data('selectBox-control')
, settings = select.data('selectBox-settings')
, options = control.data('selectBox-options');
, options = control.data('selectBox-options')
, options = control.data('selectBox-options')
, label = control.find('.selectBox-label')
, input = control.find('.selectBox-input');

if (control.hasClass('selectBox-disabled')) {
return false;
Expand Down Expand Up @@ -554,6 +561,15 @@
self.hideMenus();
}
});
// If there's scroll in the container
if (options[0].scrollHeight > options.height()) {
label.hide();
input.val('');
input.show();
setTimeout(function () {
input.focus();
}, 200);
}
};

/**
Expand All @@ -570,7 +586,15 @@
, select = options.data('selectBox-select')
, control = select.data('selectBox-control')
, settings = select.data('selectBox-settings')
, posTop = options.data('posTop');
, posTop = options.data('posTop')
, label = control.find('.selectBox-label')
, input = control.find('.selectBox-input');

label.show();
input.hide();
options.find('A').each(function () {
$(this).show();
});

if (select.triggerHandler('beforeclose')) {
return false;
Expand Down Expand Up @@ -762,6 +786,68 @@
}
};

/**
* Handles the input event, for search in dropdowns with scroll enabled
*
*/
SelectBox.prototype.handleInput = function () {
var select = $(this.selectElement)
, control = select.data('selectBox-control')
, options = control.data('selectBox-options')
, self = this;

if (control.hasClass('selectBox-disabled')) {
return;
}


// Type to find
if (!control.hasClass('selectBox-menuShowing')) {
this.showMenu();
}
this.typeSearch = control.find('.selectBox-input').val();
options.find('A').each(function () {
if ($(this).text().substr(0, self.typeSearch.length).toLowerCase() === self.typeSearch.toLowerCase()) {
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In our current implementation, I had to patch this in this way:

Suggested change
if ($(this).text().substr(0, self.typeSearch.length).toLowerCase() === self.typeSearch.toLowerCase()) {
if ($(this).text().trim().substr(0, self.typeSearch.length).toLowerCase() === self.typeSearch.toLowerCase()) {

$(this).show();
} else {
$(this).toggle(self.typeSearch.length === 0);
}
});
//if listing is displayed on top
if (options.hasClass('selectBox-options-top')) {
self.resizeOptionList();
}

};
/**
* Resizes list for search when dropdown list displays on top
*/
SelectBox.prototype.resizeOptionList = function resizeList() {
var self = this
, select = $(this.selectElement)
, control = select.data('selectBox-control')
, settings = select.data('selectBox-settings')
, options = control.data('selectBox-options')
, label = control.find('.selectBox-label')
, input = control.find('.selectBox-input');

// Get top and bottom width of selectBox
var borderBottomWidth = parseInt(control.css('borderBottomWidth')) || 0;
var borderTopWidth = parseInt(control.css('borderTopWidth')) || 0;

// Get proper variables for keeping options in viewport
var pos = control.offset()
, topPositionCorrelation = (settings.topPositionCorrelation) ? settings.topPositionCorrelation : 0
, optionsHeight = options.outerHeight()
, top = pos.top - optionsHeight + borderTopWidth + topPositionCorrelation;

// Menu position
options
.css({
top: top
})
};

/**
* Handles the keyDown event.
* Handles open/close and arrow key functionality
Expand All @@ -782,8 +868,6 @@
switch (event.keyCode) {
case 8:
// backspace
event.preventDefault();
this.typeSearch = '';
break;
case 9:
// tab
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