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jquery.amsify.suggestags

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This is a JQuery plugin for input tags with auto complete suggestion.

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Jquery Suggestags
-----------------
This is a JQuery plugin for input tags with auto complete suggestion.

```js
$('input').amsifySuggestags();
```

## npm installation
```cmd
npm i suggestags
```

# Table of Contents
1. [Simple](#simple-tags)
2. [Default Value](#default-value)
3. [Suggestions](#suggestions)
4. [Suggestions Through Ajax](#suggestions-through-ajax)
5. [White List](#white-list)
6. [Custom Stylings](#custom-stylings)
7. [Callbacks and Events](#callbacks-and-events)
8. [Tag Limit](#tag-limit)
9. [Refresh Destroy](#refresh-destroy)
10. [More Settings](#more-settings)
11. [Instantiating](#instantiating)

## Simple Tags
For simple initialization
```html
<input type="text" class="form-control" name="country"/>
```
```js
$('input[name="country"]').amsifySuggestags();
```
## Default Value
If input is already having value separated by comma, it will load the tags by default
```html
<input type="text" class="form-control" name="country" value="India,UAE,Nepal"/>
```
```js
$('input[name="country"]').amsifySuggestags();
```

## Suggestions
List of values can be passed to get the suggestions.
```html
<input type="text" class="form-control" name="country"/>
```
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh']
});
```
List if objects can also be set to have tag/value pair.
```html
<input type="text" class="form-control" name="color"/>
```
```js
$('input[name="color"]').amsifySuggestags({
	suggestions: [
					{tag: 'Black', value: 1},
					{tag: 'White', value: 2},
					{tag: 'Red', value: 3},
					{tag: 'Blue', value: 4},
					{tag: 'Green', value: 5},
					{tag: 'Orange', value: 6}
				]
});
```
Input will store `value` separated by comma like this
```html
<input type="text" class="form-control" name="1,2,3,4,5,6"/>
```
**Note:** While setting the default value for the input, set actual value separated by comma not tag names.

## Suggestions Through Ajax
We can also get suggestions through Ajax
```html
<input type="text" class="form-control" name="country"/>
```
```js
$('input[name="country"]').amsifySuggestags({
	suggestionsAction : {
		url: 'http://www.site.com/suggestions'
	}
});
```

Ajax method type will be **GET**, structure of request data you will receive is
```json
{
	"existing": ["one", "two", "three"],
	"term": "something"
}
```
**existing** is an array of already loaded tags and **term** is the string you are trying to search.
<br/>
The success response should at least contain **suggestions** key and its value should be of type list/array:
```json
{
	"suggestions": ["four", "five", "six"]
}
```
<br/><br/>
You can also add these settings and callbacks to this option
```js
$('input[name="country"]').amsifySuggestags({
	suggestionsAction : {
		timeout: -1,
		minChars: 2,
		minChange: -1,
		delay: 100,
		type: 'GET',
		url: 'http://www.site.com/suggestions',
		dataType: null,
		beforeSend : function() {
			console.info('beforeSend');
		},
		success: function(data) {
			console.info('success');
		},
		error: function() {
			console.info('error');
		},
		complete: function(data) {
			console.info('complete');
		}
	}
});
```
```
timeout - It is for cancelling the request after given specific seconds, default is -1
minChars - It is the minimum chars types before the first ajax hit, default is 2
minChange - It recall the ajax based on the minimum percentage chars changed compared to the string passed in last ajax call, default is -1
delay - It is the milliseconds time delay to call ajax or whitelist suggestions on text entered and wait, defult is 100
type - It is type of method we pass, default is GET
dataType - It is dateType of request data being passed, default is null
```
**Note**: **success** and **complete** callbacks does not directly override the original ajax callbacks, rather it gets called after original ones are executed.

## White List
This option simply does not allow any other inputs other than from suggestions.
```html
<input type="text" class="form-control" name="country"/>
```
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh'],
	whiteList: true
});
```

## Custom Stylings
```html
<input type="text" class="form-control" name="country"/>
```
For setting default class for tags, you can pass this setting
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh'],
	whiteList: true,
	defaultTagClass: 'badge'
});
````
We can pass list of classes, colors or backgrounds through settings
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh'],
	whiteList: true,
	classes: ['bg-primary', 'bg-success', 'bg-danger', 'bg-warning', 'bg-info']
});
```
Each class will apply to each suggestion tag through their corresponding keys. We can also pass backgrounds and colors.
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh'],
	whiteList: true,
	backgrounds: ['blue', 'green', 'red', 'orange', '#424242'],
	colors: ['white', 'black', 'white', 'black', 'white'],
});
```
We can also set class, color and background at each suggestion item if the suggestion items are object.

```js
$('input[name="color"]').amsifySuggestags({
	suggestions: [
					{tag: 'Black', value: 1, background:'black', color:'white'},
					{tag: 'White', value: 2, background:'white', color:'black'},
					{tag: 'Red', value: 3, background:'red', color:'white'},
					{tag: 'Blue', value: 4, background:'blue', color:'white'},
					{tag: 'Green', value: 5, background:'green', color:'white'},
					{tag: 'Orange', value: 6, background:'orange', color:'white'}
				]
});
```
Same suggestions can also be passed in ajax response to get these stylings working
```json
{
	"suggestions": [
		{
			"tag": "Black",
			"value": 1,
			"background":"black",
			"color":"white"
		},
		{
			"tag": "White",
			"value": 2,
			"background":"white",
			"color":"black"
		}
	]
}

```

## Callbacks and Events
We can set callbacks on add/remove tag elements
```js
$('input[name="country"]').amsifySuggestags({
	afterAdd : function(value) {
		console.info(value); // Parameter will be value
	},
	afterRemove : function(value) {
		console.info(value); // Parameter will be value
	},
});
```

or we can also subscribe to add/remove events
```js
$('input[name="country"]').on('suggestags.add', function(e){
	// Do something after adding tag
});
$('input[name="country"]').on('suggestags.change', function(e){
	// Do something while add/remove tag
});
$('input[name="country"]').on('suggestags.remove', function(e){
	// Do something before removing tag
});
```

## Tag Limit
We can also set tags limit
```js
$('input[name="country"]').amsifySuggestags({
	tagLimit: 5
});
```

## Refresh Destroy
For refreshing the values, you can use
```js
var params = {
	// Make sure you have parameters which used during first execution
};
$('input[name="country"]').amsifySuggestags(params, 'refresh');
```
For destroying the instance, you can do
```js
$('input[name="country"]').amsifySuggestags({}, 'destroy');
```

## More Settings
### selectOnHover
```js
$('input[name="country"]').amsifySuggestags({
	selectOnHover: false
});
```
It will not select the suggested tag value when the mouse hover the suggestion item. By default the value is `true`
### noSuggestionMsg
This will show message when there is no suggested item appears matching the input.
```js
$('input[name="country"]').amsifySuggestags({
	noSuggestionMsg: 'Enter to generate new tag'
});
```
### showAllSuggestions
This will show all the suggestion item on input focus. By default this is `false`
```js
$('input[name="country"]').amsifySuggestags({
	showAllSuggestions: true
});
```
### keepLastOnHoverTag
This will keep the last suggestion item in the input text field, even when moving away from the suggestion list. By default this is `true`.
Useful when `showAllSuggestions` is set to `true` and you wish to hide the suggestion list when clicking away from the input text field.
```js
$('input[name="country"]').amsifySuggestags({
	keepLastOnHoverTag: false
});
```
### printValues
By default, input value and its tag names gets printed in console. You can set it false not to print in console.
```js
$('input[name="country"]').amsifySuggestags({
	printValues: false
});
```
### showPlusAfter
This setting is for hiding proceeding tags when focus is out of tags section and show the **+ number** instead. By default it is 0, you can set the number to hide the tags after the given number when focus is out.
```js
$('input[name="country"]').amsifySuggestags({
	showPlusAfter: 0
});
```
### suggestMatch
A callback function can be passed to match the user entered text with suggestion item to show in suggestions list for custom matching.
```js
$('input[name="country"]').amsifySuggestags({
	suggestions: ['India', 'Pakistan', 'Nepal', 'UAE', 'Iran', 'Bangladesh'],
	suggestMatch : function(suggestionItem, value) {
	    return ~suggestionItem.toString().toLowerCase().indexOf(value.toString().toLowerCase());
	}
});
```
This callback will receive two parameters, suggestion item value and the text value entered by user. Both parameters can be used to do custom matching and return non zero value to let that suggestion appear in suggestions list.

## Instantiating
This is also one of the approach you can use this plugin.
### Initilization
You can initialize by creating an instance of `AmsifySuggestags` and passing selector to it.
```js
amsifySuggestags = new AmsifySuggestags($('input[name="country"]'));
amsifySuggestags._init();
```
### Settings
You need to set it before initialization and you can use all the setting options shown in previous approach.
```js
amsifySuggestags._settings({
	suggestions: ['Black', 'White', 'Red', 'Blue', 'Green', 'Orange']
})
amsifySuggestags._init();
````
### Add/Remove Tag
You can call these methods to add/remove tag with instance of `AmsifySuggestags`
```js
amsifySuggestags.addTag('Purple');
amsifySuggestags.removeTag('Red');

```
### Refresh Destroy
You can call these methods to refresh/destroy
```js
amsifySuggestags.refresh();
amsifySuggestags.destroy();

```
**Note**: This approach only works for single selector element not for multiple elements having same selector.
<br/>
For making it work for selector having multiple elements, you can do something like this:
```js
$('.tags-input').each(function(){
	amsifySuggestags = new AmsifySuggestags($(this));
	amsifySuggestags._init();
});
```

jquery.amsify.suggestags

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