docs(input): update docs to describe md-input-container rather than md-input (#2256)

* Update input docs and add note that md-input and md-sidenav-layout are
deprecated.

* style fix

* use bold since github doesn't like color
This commit is contained in:
mmalerba
2016-12-16 12:33:33 -08:00
committed by Jeremy Elbourn
parent 2d24383fbf
commit 20ee360912
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# mdInput / mdTextarea
**NOTE: The <code>md-input</code> element is deprecated. <code>md-input-container</code> should be
used instead.**
Inputs are the basic input component of Material 2. The spec can be found [here](https://www.google.com/design/spec/components/text-fields.html).
# md-input-container
Inputs are the basic input component of Material 2. The spec can be found
[here](https://www.google.com/design/spec/components/text-fields.html). `md-input-container` acts as
a wrapper for native `input` and `textarea` elements. The native element wrapped by the
`md-input-container` must be marked with the `md-input` directive.
## Notes
* The `<md-input>` / `<md-textarea>` component fully support two-way binding of `ngModel`, as if it was a normal `<input>` and `<textarea>`.
## Type
At the time of writing this README, the `[type]` attribute is copied to the actual `<input>` element in the `<md-input>`.
The valid `type` attribute values are any supported by your browser, with the exception of `file`, `checkbox` and `radio`. File inputs aren't supported for now, while check boxes and radio buttons have their own components.
## Placeholder
A placeholder is an indicative text displayed in the input zone when the input does not contain text. When text is present, the indicative text will float above this input zone.
You can set the `floatingPlaceholder` attribute to `false` to hide the indicative text instead when text is present in the input.
You can specify a placeholder for the input in one of two ways; either using the `placeholder` attribute, or using an `<md-placeholder>` directive in the `<md-input>`. Using both will raise an error.
## Prefix and Suffix
You can include HTML before, and after the input tag, as prefix or suffix. It will be underlined as per the Material specification, and clicking it will focus the input.
To add a prefix, use the `md-prefix` attribute on the element. Similarly, to add a suffix, use the `md-suffix` attribute. For example, in a template:
#### Example
Simple `input` example:
```html
<md-input placeholder="amount" align="end">
<span md-prefix>$&nbsp;</span>
<span md-suffix>.00</span>
</md-input>
<md-input-container>
<input md-input>
</md-input-container>
```
Will result in this:
Simple `textarea` example:
```html
<md-input-container>
<textarea md-input></textarea>
</md-input-container>
```
## Usage
### `input` and `textarea` attributes
All of the attributes that can be used with normal `input` and `textarea` elements can be used on
elements within the `md-input-container` as well. This includes angular specific ones such as
`ngModel` and `formControl`.
The only limitations are that the `type` attribute can only be one of the values supported by
`md-input-container` and the native element cannot specify a `placeholder` attribute if the
`md-input-container` also contains a `md-placeholder` element.
#### Supported `input` types
The following [input types](http://www.w3schools.com/TAGs/att_input_type.asp) can be used with
`md-input-container`:
* date
* datetime-local
* email
* month
* number
* password
* search
* tel
* text
* time
* url
* week
### Placeholder
A placeholder is an indicative text displayed in the input zone when the input does not contain
text. When text is present, the indicative text will float above this input zone.
You can set the `floatingPlaceholder` attribute of `md-input-container` to `false` to hide the
indicative text instead when text is present in the input.
You can specify a placeholder for the input in one of two ways; either using the `placeholder`
attribute on the `input` or `textarea`, or using an `md-placeholder` element in the
`md-input-container`. Using both will raise an error.
### Prefix and Suffix
You can include HTML before, and after the input tag, as prefix or suffix. It will be underlined as
per the Material specification, and clicking it will focus the input.
To add a prefix, use the `md-prefix` attribute on the element. Similarly, to add a suffix, use the
`md-suffix` attribute. For example, in a template:
```html
<md-input-container align="end">
<input md-input placeholder="amount">
<span md-prefix>$&nbsp;</span>
<span md-suffix>.00</span>
</md-input-container>
```
<img src="https://material.angularjs.org/material2_assets/input/prefix-suffix.png">
### Hint Labels
Hint labels are the labels that show below the underline. You can have up to two hint labels; one on
the `start` of the line (left in an LTR language, right in RTL), and one on the `end`.
## Hint Labels
Hint labels are the labels that shows the underline. You can have up to two hint labels; one on the `start` of the line (left in an LTR language, right in RTL), or one on the `end`.
You specify a hint-label in one of two ways; either using the `hintLabel` attribute, or using an `<md-hint>` directive in the `<md-input>`, which takes an `align` attribute containing the side. The attribute version is assumed to be at the `start`.
You specify a hint label in one of two ways; either using the `hintLabel` attribute of
`md-input-container`, or using an `md-hint` element inside the `md-input-container`, which takes an
`align` attribute containing the side. The attribute version is assumed to be at the `start`.
Specifying a side twice will result in an exception during initialization.
#### Example
A simple character counter can be made like the following:
For example, a simple character counter can be made like the following:
```html
<md-input placeholder="Character count (100 max)" maxlength="100" class="demo-full-width"
value="Hello world. How are you?"
#characterCountHintExample>
<md-hint align="end">{{characterCountHintExample.characterCount}} / 100</md-hint>
</md-input>
<md-input-container>
<input md-input
placeholder="Character count (100 max)"
maxlength="100"
value="Hello world. How are you?"
#characterCountHintExample>
<md-hint align="end">{{characterCountHintExample.value.length}} / 100</md-hint>
</md-input-container>
```
<img src="https://material.angularjs.org/material2_assets/input/character-count.png">
### Divider Color
The divider (line under the `input` content) color can be changed by using the `dividerColor`
attribute of `md-input-container`. A value of `primary` is the default and will correspond to your
theme primary color. Alternatively, you can specify `accent` or `warn`.
## Divider Color
The divider (line under the `<md-input>` content) color can be changed by using the `dividerColor` attribute. A value of `primary` is the default and will correspond to your theme primary color. Alternatively, you can specify `accent` or `warn`.
#### Example
^((please note that this example has been doctored to show the colors; they would normally show only on focus)^)
```html
<md-input-container>
<input md-input placeholder="Default color" value="example">
</md-input-container>
<md-input-container dividerColor="accent">
<input md-input placeholder="Accent color" value="example">
</md-input-container>
<md-input-container dividerColor="warn">
<input md-input placeholder="Warn color" value="example">
</md-input-container>
```
_please note that this image has been doctored to show each `input` as if it were focused:_
<img src="https://material.angularjs.org/material2_assets/input/divider-colors.png">
### Full Forms
## Labelling
You can label the `<md-input>` as you would a regular `<input>`.
## Focus
You can put the focus on an input component using the `focus()` method.
### Example
You can make a full form using inputs, and they will support autofill natively.
```html
<md-input #nameInput placeholder="name"></md-input>
<form>
<md-input-container style="width: 100%">
<input md-input placeholder="Company (disabled)" disabled value="Google">
</md-input-container>
<table style="width: 100%" cellspacing="0"><tr>
<td><md-input-container style="width: 100%">
<input md-input placeholder="First name">
</md-input-container></td>
<td><md-input-container style="width: 100%">
<input md-input placeholder="Long Last Name That Will Be Truncated">
</md-input-container></td>
</tr></table>
<p>
<md-input-container width="100%">
<textarea md-input placeholder="Address" value="1600 Amphitheatre Pkway"></textarea>
</md-input-container>
<md-input-container width="100%">
<textarea md-input placeholder="Address 2"></textarea>
</md-input-container>
</p>
<table style="width: 100%" cellspacing="0"><tr>
<td><md-input-container width="100%">
<input md-input placeholder="City">
</md-input-container></td>
<td><md-input-container width="100%">
<input md-input placeholder="State">
</md-input-container></td>
<td><md-input-container width="100%">
<input md-input #postalCode maxlength="5" placeholder="Postal Code" value="94043">
<md-hint align="end">{{postalCode.value.length}} / 5</md-hint>
</md-input-container></td>
</tr></table>
</form>
```
```ts
export class MyComponent implements AfterViewInit {
@ViewChild('nameInput') nameInput: MdInput;
ngAfterViewInit() {
this.nameInput.focus();
}
}
```
## Textareas
```html
<md-textarea placeholder="Textarea with autosize"></md-textarea>
```
### Example
## Full Forms
You can make a full form using inputs, and it will support autofill natively.
#### Example
```html
<md-card class="demo-card demo-basic">
<md-toolbar color="primary">Basic</md-toolbar>
<md-card-content>
<form>
<md-input class="demo-full-width" placeholder="Company (disabled)" disabled value="Google">
</md-input>
<table style="width: 100%" cellspacing="0"><tr>
<td><md-input placeholder="First name" style="width: 100%"></md-input></td>
<td><md-input placeholder="Long Last Name That Will Be Truncated" style="width: 100%"></md-input></td>
</tr></table>
<p>
<md-textarea class="demo-full-width" placeholder="Address" value="1600 Amphitheatre Pkway"></md-textarea>
<md-textarea class="demo-full-width" placeholder="Address 2"></md-textarea>
</p>
<table style="width: 100%" cellspacing="0"><tr>
<td><md-input class="demo-full-width" placeholder="City"></md-input></td>
<td><md-input class="demo-full-width" placeholder="State"></md-input></td>
<td><md-input #postalCode class="demo-full-width" maxlength="5"
placeholder="Postal Code"
value="94043">
<md-hint align="end">{{postalCode.characterCount}} / 5</md-hint>
</md-input></td>
</tr></table>
</form>
</md-card-content>
</md-card>
```
Will result in this:
<img src="https://material.angularjs.org/material2_assets/input/full-form.png">
## API Summary
### Inputs
| Name | Type | Description |
| --- | --- | --- |
| `align` | `"start" | "end"` | The alignment of the `input` or `textarea`. Default = `"start"`. |
| `dividerColor` | `"primary" | "accent" | "warn"` | The color of the placeholder and underline. Default = `"primary"`. |
| `floatingPlaceholder` | boolean | Whether the placeholder should float above the input after text is entered. Default = `true`. |
| `hintLabel` | string | The hint text to show on the start end of the `md-input-container`. |
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**NOTE: The <code>md-sidenav-layout</code> element is deprecated. <code>md-sidenav-container</code>
should be used instead.**
# MdSidenav
MdSidenav is the side navigation component for Material 2. It is composed of two components: `<md-sidenav-container>` and `<md-sidenav>`.
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| `max` | number | Optional, the maximum number for the slider. Default = `100`. |
| `step` | number | Optional, declares where the thumb will snap to. Default = `1`. |
| `value` | number | Optional, the value to start the slider at. |
| `tick-interval` | `"auto" | number` | Optional, how many steps between tick marks. |
| `tick-interval` | `"auto"` \| number | Optional, how many steps between tick marks. |
| `invert` | boolean | Optional, whether to invert the axis the thumb moves along. |
| `vertical` | boolean | Optional, whether the slider should be oriented vertically. |
| `disabled` | boolean | Optional, whether or not the slider is disabled. Default = `false`. |