Bindings
any
Supports Virtual Elements: YES
This is short hand for an if binding that looks at length
<!-- ko any: value -->
show only if there are items
<!-- /ko -->
Options
Name | Type | Default | Description |
---|---|---|---|
value | array | observable array | undefined | If there are items in the value the contents are shown |
asyncMessage
Supports Virtual Elements: NO
Used to display notification to the end user that an action is taking place. Mainly used in conjunction with remote validation.
<p data-bind="asyncMessage: trueFalseObservable" />
<!-- with options -->
<p data-bind="asyncMessage: { value: trueFalseObservable }" />
Options
Name | Type | Default | Description |
---|---|---|---|
value | observable boolean | undefined | should a validating message me shown |
validating | html string | observable html string | checking availability... | HTML to be displayed when value is true |
valid | html string | observable html string | available | HTML to be displayed when value is valid |
console
Supports Virtual Elements: YES
Prints the object out on the console. should only be used when debuging.
<!-- ko console: value --><!-- /ko -->
Options
Name | Type | Default | Description |
---|---|---|---|
value | any | observable any | undefined | the object that is passed to console.log |
empty
Supports Virtual Elements: YES
This is short hand for an if binding that looks at length
<!-- ko empty: value -->
There are no items
<!-- /ko -->
Options
Name | Type | Default | Description |
---|---|---|---|
value | array | observable array | undefined | If there are no items in the value the contents are shown |
fadeSlide
Supports Virtual Elements: NO
When the value is true the element will be slide down at the same time it is faded in. When the value is false the element is slide up and faded out.
<div data-bind="fadeSlide: trueFalseObservable" />
<!-- with options -->
<div data-bind="fadeSlide: { visible: trueFalseObservable }" />
Options
Name | Type | Default | Description |
---|---|---|---|
visible | observable boolean | false | Should the element be visible |
duration | number | 300 | number of milliseconds for the animation to complete |
afterAnimation | function | undefined | Will be called after the slide fade animations completes |
fadeVisible
Supports Virtual Elements: NO
When the value is true the element will be faded in. When the value is false the element faded out.
<div data-bind="fadeVisible: trueFalseObservable" />
<!-- with options -->
<div data-bind="fadeVisible: { visible: trueFalseObservable }" />
Options
Name | Type | Default | Description |
---|---|---|---|
visible | observable boolean | false | Should the element be visible |
duration | number | 300 | number of milliseconds for the animation to complete |
afterAnimation | function | undefined | Will be called after the fade animation completes |
href
Supports Virtual Elements: NO
This is short hand for an attr binding that sets the href attribut
<a data-binding='href: model.url'></a>
Options
Name | Type | Default | Description |
---|---|---|---|
value | string | observable string | undefined | url to place in the href |
indeterminate
Supports Virtual Elements: NO
Allows you to set an indeterminate state to a checkbox or radio button, which can only be done programmatically.
<input type='cehckbox' data-binding='indeterminate: model.isIndeterminate'></input>
Options
Name | Type | Default | Description |
---|---|---|---|
value | boolean | observable boolean | false | should the element be marked as indeterminate |
templateSwitcher
Supports Virtual Elements: YES
Will switch out templates based on the value, loading, and error properties. This saves you from having to write a bunch of if logic to pick the template you want to display. This binding is heavily used in the listview control
<div data-bind='templateSwitcher: { value: ArrayOrObject, loading: loadingProp, error: hasRequestErrored, templates :{ display:"templateName"} }'></div>
Options
Name | Type | Default | Description |
---|---|---|---|
value | any | observable any | undefined | value that will be passed to the display template |
loading | boolean | observable boolean | false | when true the loading template is displayed |
error | boolean | observable boolean | false | when true the error template is displayed |
templates.display | string | observable string | undefined | will be called with value if error and loading are false |
templates.empty | string | observable string | cyclops.templateSwitcherEmptyTemplate | if value is an array and it is empty this template will be called |
templates.loading | string | observable string | cyclops.templateSwitcherLoadingTemplate | will be called when loading is true |
templates.error | string | observable string | cyclops.templateSwitcherErrorTemplate | will be called when error is true |
Title
Supports Virtual Elements: NO
Set the title attribute of the element. This is just shorthand for the attr
binding.
<span data-binding='title: model.helpfulTitle'></sapn>
Options
Name | Type | Default | Description |
---|---|---|---|
value | string | observable string | false | The text to use as the title |
scrollTo
Supports Virtual Elements: NO
Should the element be scrolled into view.
<span data-binding='scrollTo: model.isCurrentItem'></sapn>
Options
Name | Type | Default | Description |
---|---|---|---|
value | boolean | observable boolean | false | if true the item will be scrolled to in the browser |
validationMsg
Supports Virtual Elements: NO
Same as the knockout-validation validationMessage binding but has a nice animation when displaying or hiding the message.
<p data-bind="validationMsg: someValue" />
Options
Name | Type | Default | Description |
---|---|---|---|
value | any | observable any | undefined | value that is being validated |
widget
Supports Virtual Elements: NO
Creates jQuery widgets based on the name and options passed in. This is relatively expensive so it should be used with caution but it can be very handy. Technically it doesn’t have to be a jQuery widget just a function that hangs off a dom node but it works best when it follows the jQuery widget conventions.
<input type="submit" value="OK" data-bind='widget: "button"' />
<!-- with options -->
<input id='search' data-bind='widget: { name: "autocomplete", options: { source: searchCompletions(), delay: 500 } }, value: searchString' />
<!-- enable or disable -->
<input id='search' data-bind='widget: { name: "autocomplete", disabled: trueyOrFalsey, value: searchString' />
Options
Name | Type | Default | Description |
---|---|---|---|
name | string | observable string | undefined | name of the widget or function |
disabled | boolean | observable boolean | false | calls the widgets disable funtion |
enabled | boolean | observable boolean | false | calls the widgets disable funtion with false and wires everything back up |
options | any | observable any | empty object | any options for the widget |