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Add-max-displayable-elements #181

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Add-max-displayable-elements #181

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b21df4c
Add-max-displayable-elements
Th0masso Apr 5, 2021
fc3f909
typo
Th0masso Apr 5, 2021
6c3dee3
fix double quote typo
Th0masso Apr 5, 2021
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32 changes: 29 additions & 3 deletions src/jquery.bootstrap-duallistbox.js
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,9 @@
btnMoveText: '>', // string, sets the text for the "Move" button
btnRemoveText: '<', // string, sets the text for the "Remove" button
btnMoveAllText: '>>', // string, sets the text for the "Move All" button
btnRemoveAllText: '<<' // string, sets the text for the "Remove All" button
btnRemoveAllText: '<<', // string, sets the text for the "Remove All" button
maxElements: 500, // int, sets the maximum number of displayable elements in a select
maxElementsText: 'Maximum number of displayable elements reached' // string, sets text for the disabled option that indicates that the maximum number of displayable elements have been reached
},
// Selections are invisible on android if the containing select is styled with CSS
// http://code.google.com/p/android/issues/detail?id=16922
Expand Down Expand Up @@ -189,12 +191,20 @@
regex = new RegExp('/a^/', 'gi');
}

var maxSelectedReached = false;
var elements = 0;
options.each(function(index, item) {
elements++;
var $item = $(item),
isFiltered = true;
if (item.text.match(regex) || (dualListbox.settings.filterOnValues && $item.attr('value').match(regex) ) ) {
isFiltered = false;
dualListbox.elements['select'+selectIndex].append($item.clone(true).prop('selected', $item.data('_selected')));
if (elements < dualListbox.settings.maxElements) {
dualListbox.elements['select'+selectIndex].append($item.clone(true).prop('selected', $item.data('_selected')));
} else if (!maxSelectedReached) {
maxSelectedReached = true;
dualListbox.elements.select1.append('<option disabled>' + dualListbox.settings.maxElementsText + '</option>');
}
}
allOptions.eq($item.data('original-index')).data('filtered'+selectIndex, isFiltered);
});
Expand Down Expand Up @@ -490,6 +500,8 @@
this.setBtnRemoveText(this.settings.btnRemoveText);
this.setBtnMoveAllText(this.settings.btnMoveAllText);
this.setBtnRemoveAllText(this.settings.btnRemoveAllText);
this.setMaxElements(this.settings.maxElements);
this.setMaxElementsText(this.settings.maxElementsText);

// Hide the original select
this.element.hide();
Expand Down Expand Up @@ -781,6 +793,13 @@
}
return this.element;
},
setMaxElements: function(value, refresh) {
this.settings.maxElements = value;
if (refresh) {
refreshSelects(this);
}
return this.element;
},
setBtnMoveText: function(value, refresh) {
this.settings.btnMoveText = value;
this.elements.moveButton.html(value);
Expand Down Expand Up @@ -813,6 +832,13 @@
}
return this.element;
},
setMaxElementsText: function(value, refresh) {
this.settings.maxElementsText = value;
if (refresh) {
refreshSelects(this);
}
return this.element;
},
getContainer: function() {
return this.container;
},
Expand Down Expand Up @@ -881,4 +907,4 @@

};

}));
}));