Add deselect example and update to latest version of Chosen.

This commit is contained in:
Patrick Filler 2011-09-28 14:12:04 -04:00
parent fe40a09860
commit 7be245ef19
4 changed files with 79 additions and 11 deletions

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@ -57,6 +57,19 @@
-ms-text-overflow: ellipsis;
text-overflow: ellipsis;
}
.chzn-container-single .chzn-single abbr {
display: block;
position: absolute;
right: 26px;
top: 8px;
width: 12px;
height: 13px;
font-size: 1px;
background: url(chosen-sprite.png) right top no-repeat;
}
.chzn-container-single .chzn-single abbr:hover {
background-position: right -11px;
}
.chzn-container-single .chzn-single div {
-webkit-border-radius: 0 4px 4px 0;
-moz-border-radius : 0 4px 4px 0;
@ -191,18 +204,18 @@
.chzn-container-multi .chzn-choices .search-choice .search-choice-close {
display: block;
position: absolute;
right: 5px;
top: 6px;
width: 8px;
height: 9px;
right: 3px;
top: 4px;
width: 12px;
height: 13px;
font-size: 1px;
background: url(chosen-sprite.png) right top no-repeat;
}
.chzn-container-multi .chzn-choices .search-choice .search-choice-close:hover {
background-position: right -9px;
background-position: right -11px;
}
.chzn-container-multi .chzn-choices .search-choice-focus .search-choice-close {
background-position: right -9px;
background-position: right -11px;
}
/* @end */
@ -311,6 +324,9 @@
.chzn-disabled .chzn-single {
cursor: default;
}
.chzn-disabled .chzn-choices .search-choice .search-choice-close {
cursor: default;
}
/* @group Right to Left */
.chzn-rtl { direction:rtl;text-align: right; }

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@ -52,6 +52,7 @@
this.results_showing = false;
this.result_highlighted = null;
this.result_single_selected = null;
this.allow_single_deselect = (this.options.allow_single_deselect != null) && this.form_field.options[0].text === "" ? this.options.allow_single_deselect : false;
this.choices = 0;
return this.results_none_found = this.options.no_results_text || "No results match";
};
@ -103,6 +104,9 @@
this.container.mousedown(__bind(function(evt) {
return this.container_mousedown(evt);
}, this));
this.container.mouseup(__bind(function(evt) {
return this.container_mouseup(evt);
}, this));
this.container.mouseenter(__bind(function(evt) {
return this.mouse_enter(evt);
}, this));
@ -145,8 +149,9 @@
this.container.addClass('chzn-disabled');
this.search_field.attr('disabled', true);
if (!this.is_multiple) {
return this.selected_item.unbind("focus", this.activate_action);
this.selected_item.unbind("focus", this.activate_action);
}
return this.close_field();
} else {
this.container.removeClass('chzn-disabled');
this.search_field.attr('disabled', false);
@ -156,11 +161,13 @@
}
};
Chosen.prototype.container_mousedown = function(evt) {
var target_node;
if (!this.is_disabled) {
target_node = evt != null ? evt.target.nodeName : null;
if (evt && evt.type === "mousedown") {
evt.stopPropagation();
}
if (!this.pending_destroy_click) {
if (!this.pending_destroy_click && target_node !== "ABBR") {
if (!this.active_field) {
if (this.is_multiple) {
this.search_field.val("");
@ -177,6 +184,11 @@
}
}
};
Chosen.prototype.container_mouseup = function(evt) {
if (evt.target.nodeName === "ABBR") {
return this.results_reset(evt);
}
};
Chosen.prototype.mouse_enter = function() {
return this.mouse_on_container = true;
};
@ -257,6 +269,9 @@
this.choice_build(data);
} else if (data.selected && !this.is_multiple) {
this.selected_item.find("span").text(data.text);
if (this.allow_single_deselect) {
this.selected_item.find("span").first().after("<abbr></abbr>");
}
}
}
}
@ -414,8 +429,12 @@
};
Chosen.prototype.choice_destroy_link_click = function(evt) {
evt.preventDefault();
this.pending_destroy_click = true;
return this.choice_destroy($(evt.target));
if (!this.is_disabled) {
this.pending_destroy_click = true;
return this.choice_destroy($(evt.target));
} else {
return evt.stopPropagation;
}
};
Chosen.prototype.choice_destroy = function(link) {
this.choices -= 1;
@ -426,18 +445,29 @@
this.result_deselect(link.attr("rel"));
return link.parents('li').first().remove();
};
Chosen.prototype.results_reset = function(evt) {
this.form_field.options[0].selected = true;
this.selected_item.find("span").text(this.default_text);
this.show_search_field_default();
$(evt.target).remove();
this.form_field_jq.trigger("change");
if (this.active_field) {
return this.results_hide();
}
};
Chosen.prototype.result_select = function(evt) {
var high, high_id, item, position;
if (this.result_highlight) {
high = this.result_highlight;
high_id = high.attr("id");
this.result_clear_highlight();
high.addClass("result-selected");
if (this.is_multiple) {
this.result_deactivate(high);
} else {
this.search_results.find(".result-selected").removeClass("result-selected");
this.result_single_selected = high;
}
high.addClass("result-selected");
position = high_id.substr(high_id.lastIndexOf("_") + 1);
item = this.results_data[position];
item.selected = true;
@ -446,6 +476,9 @@
this.choice_build(item);
} else {
this.selected_item.find("span").first().text(item.text);
if (this.allow_single_deselect) {
this.selected_item.find("span").first().after("<abbr></abbr>");
}
}
if (!(evt.metaKey && this.is_multiple)) {
this.results_hide();

View file

@ -1205,6 +1205,24 @@
</code>
</div>
<h2>Allow Deselect on Single Selects</h2>
<div class="side-by-side clearfix">
<p>When a single select box isn't a required field, you can set <code>allow_single_deselect: true</code> and Chosen will add a UI element for option deselection. This will only work if the first option has blank text.</p>
<div class="side-by-side clearfix">
<select data-placeholder="Your Favorite Type of Bear" style="width:350px;" class="chzn-select-deselect" tabindex="7">
<option value=""></option>
<option>American Black Bear</option>
<option>Asiatic Black Bear</option>
<option>Brown Bear</option>
<option>Giant Panda</option>
<option selected>Sloth Bear</option>
<option>Sun Bear</option>
<option>Polar Bear</option>
<option>Spectacled Bear</option>
</select>
</div>
</div>
<h2>Change / Update Events</h2>
<div class="side-by-side clearfix">
<ul>
@ -1292,6 +1310,7 @@
<script src="chosen/chosen.jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$(".chzn-select").chosen();
$(".chzn-select-deselect").chosen({allow_single_deselect:true});
</script>
<script type="text/javascript">