spincycle
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A reactive message router and object manager that lets clients subscribe to object property changes on the server
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[](https://travis-ci.org/PolymerElements/paper-toolbar)
_[Demo and API docs](https://elements.polymer-project.org/elements/paper-toolbar)_
##<paper-toolbar>
Material design: [Toolbars](https://www.google.com/design/spec/components/toolbars.html)
`paper-toolbar` is a horizontal bar containing items that can be used for
label, navigation, search and actions. The items placed inside the
`paper-toolbar` are projected into a `class="horizontal center layout"` container inside of
`paper-toolbar`'s Shadow DOM. You can use flex attributes to control the items'
sizing.
Example:
```html
<paper-toolbar>
<paper-icon-button icon="menu" on-tap="menuAction"></paper-icon-button>
<div class="title">Title</div>
<paper-icon-button icon="more-vert" on-tap="moreAction"></paper-icon-button>
</paper-toolbar>
```
`paper-toolbar` has a standard height, but can made be taller by setting `tall`
class on the `paper-toolbar`. This will make the toolbar 3x the normal height.
```html
<paper-toolbar class="tall">
<paper-icon-button icon="menu"></paper-icon-button>
</paper-toolbar>
```
Apply `medium-tall` class to make the toolbar medium tall. This will make the
toolbar 2x the normal height.
```html
<paper-toolbar class="medium-tall">
<paper-icon-button icon="menu"></paper-icon-button>
</paper-toolbar>
```
When `tall`, items can pin to either the top (default), middle or bottom. Use
`middle` class for middle content and `bottom` class for bottom content.
```html
<paper-toolbar class="tall">
<paper-icon-button icon="menu"></paper-icon-button>
<div class="middle title">Middle Title</div>
<div class="bottom title">Bottom Title</div>
</paper-toolbar>
```
For `medium-tall` toolbar, the middle and bottom contents overlap and are
pinned to the bottom. But `middleJustify` and `bottomJustify` attributes are
still honored separately.
To make an element completely fit at the bottom of the toolbar, use `fit` along
with `bottom`.
```html
<paper-toolbar class="tall">
<div id="progressBar" class="bottom fit"></div>
</paper-toolbar>
```
When inside a `paper-header-panel` element with `mode="waterfall-tall"`,
the class `.animate` is toggled to animate the height change in the toolbar.
### Styling
The following custom properties and mixins are available for styling:
| Custom property | Description | Default |
| --- | --- | --- |
| `--paper-toolbar-title` | Mixin applied to the title of the toolbar | `{}` |
| `--paper-toolbar-background` | Toolbar background color | `--primary-color` |
| `--paper-toolbar-color` | Toolbar foreground color | `--dark-theme-text-color` |
| `--paper-toolbar-height` | Custom height for toolbar | `64px` |
| `--paper-toolbar-sm-height` | Custom height for small screen toolbar | `56px` |
| `--paper-toolbar` | Mixin applied to the toolbar | `{}` |
| `--paper-toolbar-content` | Mixin applied to the content section of the toolbar | `{}` |
| `--paper-toolbar-medium` | Mixin applied to medium height toolbar | `{}` |
| `--paper-toolbar-tall` | Mixin applied to tall height toolbar | `{}` |
| `--paper-toolbar-transition` | Transition applied to the `.animate` class | `height 0.18s ease-in` |
### Accessibility
`<paper-toolbar>` has `role="toolbar"` by default. Any elements with the class `title` will
be used as the label of the toolbar via `aria-labelledby`.