feat(checkbox): implement indeterminate state (#16951)

This adds an `indeterminate` prop to the `ion-checkbox` component, which visually renders the checkbox with a dash to indicate an indeterminate state.

closes #16943
This commit is contained in:
Simon Hänisch
2019-03-04 17:16:41 +01:00
committed by Brandy Carney
parent 28fd75ee6b
commit c641ae10ed
10 changed files with 278 additions and 25 deletions

View File

@ -13,23 +13,28 @@
// Background
--background: #{$checkbox-md-icon-background-color-off};
// Transition
--transition: #{background $checkbox-md-transition-duration $checkbox-md-transition-easing};
// Size
--size: #{$checkbox-md-icon-size};
width: var(--size);
width: var(--size);
height: var(--size);
}
.checkbox-icon path {
stroke-dasharray: 30;
stroke-dashoffset: 30;
stroke-width: 3;
}
:host(.checkbox-checked) .checkbox-icon path {
// Material Design Checkbox: Checked / Indeterminate
// --------------------------------------------------------
:host(.checkbox-checked) .checkbox-icon path,
:host(.checkbox-indeterminate) .checkbox-icon path {
stroke-dashoffset: 0;
transition: stroke-dashoffset 90ms linear 90ms;
@ -37,21 +42,23 @@
// Material Design Checkbox: Disabled
// -----------------------------------------
// --------------------------------------------------------
// TODO .item-md.item-checkbox-disabled ion-label
:host(.checkbox-disabled) {
opacity: $checkbox-md-disabled-opacity;
}
// Material Design Checkbox Within An Item
// -----------------------------------------
// --------------------------------------------------------
:host(.in-item) {
// end position by default
@include margin($checkbox-md-item-end-margin-top, $checkbox-md-item-end-margin-end, $checkbox-md-item-end-margin-bottom, $checkbox-md-item-end-margin-start);
display: block;
position: static;
}