Files
ionic-framework/core/src/components/toolbar
Brandy Carney b2021fd9c4 fix(theming): update global css variable naming and default values (#16003)
Updates all of the global variables to make sure their naming is consistent, their default values are correct, they are used properly by the related components, and remove any that are not used.

- removes some of the non mode-specific global Sass variables
- updates the md and ios values so that the default is the css variable
with different fallbacks
- removes non-color related css variables from the global file
- fixes item so it uses the background color that is set by the global
file

# Breaking Changes

## Removed Global CSS Variables

The following global CSS variables have been removed for the reasons listed.

| Variable Name                     | Reason                                          |
| ----------------------------------| ------------------------------------------------|
| `--ion-toolbar-color-inactive`    | Unused                                          |
| `--ion-ripple-background-color`   | Unused / Ripple color is based on component     |
| `--ion-header-size`               | Removed in favor of using CSS for h1-h6         |
| `--ion-header-step`               | Removed in favor of using CSS for h1-h6         |

## Renamed Global CSS Variables

The following global CSS variables have been renamed for the reasons listed.

| Old Variable Name                        | New Variable Name                  | Reason                                                                        |
| -----------------------------------------| -----------------------------------| ------------------------------------------------------------------------------|
| `--ion-toolbar-text-color`               | `--ion-toolbar-color`              | Variable is not limited to text color                                         |
| `--ion-toolbar-color-active`             | `--ion-toolbar-color-activated`    | Consistency with our component variables                                      |
| `--ion-tabbar-text-color`                | `--ion-tab-bar-color`              | Variable is not limited to text color                                         |
| `--ion-tabbar-text-color-active`         | `--ion-tab-bar-color-activated`    | Consistency with our component variables                                      |
| `--ion-tabbar-background-color`          | `--ion-tab-bar-background`         | Applies to the background property                                            |
| `--ion-tabbar-background-color-focused`  | `--ion-tab-bar-background-focused` | Applies to the background property                                            |
| `--ion-item-background-color`            | `--ion-item-background`            | Applies to the background property                                            |
| `--ion-item-background-color-active`     | `--ion-item-background-activated`  | Applies to the background property / Consistency with our component variables |
| `--ion-item-text-color`                  | `--ion-item-color`                 | Variable is not limited to text color                                         |
| `--ion-placeholder-text-color`           | `--ion-placeholder-color`          | Consistency with other variables                                              |

Fixes #15989 
Fixes #15559
2018-10-23 12:37:04 -04:00
..
2018-10-12 11:44:43 -05:00

ion-toolbar

Toolbars are positioned above or below content. When a toolbar is placed in an <ion-header> it will appear fixed at the top of the content, and when it is in an <ion-footer> it will appear fixed at the bottom. Fullscreen content will scroll behind a toolbar in a header or footer. When placed within an <ion-content>, toolbars will scroll with the content.

Buttons

Buttons placed in a toolbar should be placed inside of the <ion-buttons> element. The <ion-buttons> element can be positioned inside of the toolbar using a named slot. The below chart has a description of each slot.

Slot Description
secondary Positions element to the left of the content in ios mode, and directly to the right in md mode.
primary Positions element to the right of the content in ios mode, and to the far right in md mode.
start Positions to the left of the content in LTR, and to the right in RTL.
end Positions to the right of the content in LTR, and to the left in RTL.

Borders

In md mode, the <ion-header> will receive a box-shadow on the bottom, and the <ion-footer> will receive a box-shadow on the top. In ios mode, the <ion-header> will receive a border on the bottom, and the <ion-footer> will receive a border on the top. Both the md box-shadow and the ios border can be removed by adding the no-border attribute to the element.

Properties

Property Attribute Description Type
color color The color to use from your application's color palette. Default options are: "primary", "secondary", "tertiary", "success", "warning", "danger", "light", "medium", and "dark". For more information on colors, see theming. string | undefined
mode mode The mode determines which platform styles to use. Possible values are: "ios" or "md". "ios" | "md"

CSS Custom Properties

Name Description
--background Background of the toolbar
--border-color Color of the toolbar border
--border-style Style of the toolbar border
--border-width Width of the toolbar border
--color Color of the toolbar text
--min-height Minimum height of the toolbar
--opacity Opacity of the toolbar background
--padding-bottom Bottom padding of the toolbar
--padding-end End padding of the toolbar
--padding-start Start padding of the toolbar
--padding-top Top padding of the toolbar

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