目录

panel

Supported since API version 5. Updates will be marked with a superscript to indicate their earliest API version.

The panel component is a slidable, pop-up component that provides a lightweight content display window with flexible sizes.

Child Components

Supported

Attributes

In addition to the universal attributes, the following attributes are supported.

Name Type Default Value Mandatory Description
type string foldable Yes

Type of the slidable panel. This attribute cannot be dynamically changed. Available values are as follows:

- minibar: A minibar panel displays content in the minibar area or a large (fullscreen-like) area.

- foldable: A foldable panel displays permanent content in a large (fullscreen-like), medium-sized (halfscreen-like), or small area.

- temporary: A temporary panel displays content in a large (fullscreen-like) or medium-sized (halfscreen-like) area.
mode string full No

Initial status of the slidable panel. Available values are as follows:

- mini: Displays a minibar or foldable panel in its minimum size. This attribute does not take effect for temporary panels.

- half: Displays a foldable or temporary panel in its halfscreen-like size. This attribute does not take effect for minibar panels.

- full: Displays a panel in its fullscreen-like size.
dragbar boolean true No Whether to enable a drag bar. The value true means to enable the drag bar, and false means the opposite.
fullheight <length> - No Panel height in the full mode. The default value is the screen height minus 8 px.
halfheight <length> - No Panel height in the half mode. The default value is half of the screen height.
miniheight <length> - No Panel height in the mini mode. The default value is 48px.

  • Rendering attributes, including for, if, and show, are not supported.

  • The focusable and disabled attributes are not supported.

Styles

Only the following styles are supported.

Name Type Default Value Mandatory Description
padding <length> 0 No

The attribute can have one to four values:

- If you set only one value, it specifies the padding for all the four sides.

- If you set two values, the first value specifies the top and bottom padding, and the second value specifies the left and right padding.

- If you set three values, the first value specifies the top padding, the second value specifies the left and right padding, and the third value specifies the bottom padding.

- If you set four values, they respectively specify the padding for top, right, bottom, and left sides (in clockwise order).
padding-[left|top|right|bottom] <length> 0 No Left, top, right, and bottom padding.
padding-[start|end] <length> 0 No Start and end padding.
margin <length> 0 No

Shorthand attribute to set the margin for all sides. The attribute can have one to four values:

- If you set only one value, it specifies the margin for all the four sides.

- If you set two values, the first value specifies the top and bottom margins, and the second value specifies the left and right margins.

- If you set three values, the first value specifies the top margin, the second value specifies the left and right margins, and the third value specifies the bottom margin.

- If you set four values, they respectively specify the margin for top, right, bottom, and left sides (in clockwise order).
margin-[left|top|right|bottom] <length> 0 No Left, top, right, and bottom margins.
margin-[start|end] <length> 0 No Start and end margins.
border - 0 No Shorthand attribute to set all borders. Set border-width, border-style, and border-color in sequence. Default values are used for attributes that are not set.
border-style string solid No

Shorthand attribute to set the style for all borders. Available values are as follows:

- dotted: dotted border. The radius of a dot is half of border-width.

- dashed: dashed border.

- solid: solid border.
border-[left|top|right|bottom]-style string solid No Styles of the left, top, right, and bottom borders. The available values are dotted, dashed, and solid.
border-[left|top|right|bottom] - - No Shorthand attribute to set the borders for every side respectively. Set border-width, border-style, and border-color in sequence. Default values are used for attributes that are not set.
border-width <length> 0 No Shorthand attribute to set the width for all borders, or separately set the width for each border.
border-[left|top|right|bottom]-width <length> 0 No Attribute to set widths of left, top, right, and bottom borders.
border-color <color> black No Shorthand attribute to set the color for all borders, or separately set the color for each border.
border-[left|top|right|bottom]-color <color> black No Attribute to set colors for left, top, right, and bottom borders.
border-radius <length> - No Radius of border corners. This attribute cannot be used to set the width or color of a specific border. To set the width or color, you must set border-width or border-color for all the borders at the same time.
border-[top|bottom]-[left|right]-radius <length> - No Attribute to respectively set the radii of upper-left, upper-right, lower-right, and lower-left rounded corners
background <linear-gradient> - No Background. This attribute supports gradient styles only and is not compatible with background-color or background-image.
background-color <color> - No Background color.
background-image string - No Background image. This attribute is not compatible with background-color or background. Local image resources are supported.
background-size

- string

- <length> <length>

- <percentage> <percentage>

 auto No

Background image size.

- The available values of the string type are as follows:

- contain: extends the image to the maximum size so that its height and width are fully applicable to the content area.

- cover: extends the background image to a large enough size so that it completely covers the background area. Some parts of the image may not be displayed in the background area.

- auto: retains the original aspect ratio of the image.

- Values of the length type:

The two values are the height and width of the background image. The first value indicates the width, and the second value indicates the height. If you only set one value, the other value is set to auto by default.

- Values of the percentage type:

The two values are the width and height of the background image in percentage of the parent element. The first value indicates the width, and the second value indicates the height. If you only set one value, the other value is set to auto by default.
background-repeat string repeat No

Repeating attribute of a background image. By default, a background image is repeated both horizontally and vertically.

- repeat: The image is repeated along both the x-axis and y-axis.

- repeat-x: The image is repeated along the x-axis.

- repeat-y: The image is repeated along the y-axis.

- no-repeat: The image is not repeated.
background-position

- string string

- <length> <length>

- <percentage> <percentage>

 0px 0px No

- Values of the string type: If only one value is specified, the other value is center by default. The two values define the horizontal position and vertical position, respectively.

- left: leftmost in the horizontal direction.

- right: rightmost in the horizontal direction.

- top: top in the vertical direction.

- bottom: bottom in the vertical direction.

- center: center in the horizontal or vertical direction.

- Values of the length type: The first value indicates the horizontal position, and the second value indicates the vertical position. For the upper left corner, the value is 0 0 in px (0px 0px). If only one value is specified, the other one is 50%.

- Values of the percentage type: The first value indicates the horizontal position, and the second value indicates the vertical position. For the upper left corner, the value is 0% 0%. For the lower right corner, the value is 100% 100%. If only one value is specified, the other one is 50%.

- The values of the percentage and length types can be used together.
opacity number 1 No Opacity of an element. The value ranges from 0 to 1. The value 1 means opaque, and 0 means completely transparent.

Events

The following events are supported.

Name Parameter Description
sizechange { size: { height: heightLength, width: widthLength }, mode: modeStr }

Triggered when the status of the slidable panel changes. Available mode values are as follows:

- mini: Displays a minibar or foldable panel in its minimum size.

- half: Displays a foldable panel in its halfscreen-like size.

- full: Displays a panel in its fullscreen-like size.

The returned height value indicates the content area height. However, when the dragbar attribute is true, the height value is the height of the drag bar plus that of the content area.

Methods

The following methods are supported.

Name Parameter Description
show - Pops the slidable panel up.
close - Closes the slidable panel that has been popped up.

Example

<!-- xxx.hml -->
<div class="doc-page">
    <div class="btn-div">
        <button type="capsule" value="Click here" onclick="showPanel"></button>
    </div>
    <panel id="simplepanel" type="foldable" mode="half" onsizechange="changeMode" miniheight="200px">
        <div class="panel-div">
            <div class="inner-txt">
                <text class="txt">Simple panel in {{ modeFlag }} mode</text>
            </div>
            <div class="inner-btn">
                <button type="capsule" value="Close" onclick="closePanel"></button>
            </div>
        </div>
    </panel>
</div>
/* xxx.css */
.doc-page {
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.btn-div {
    width: 100%;
    height: 200px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.txt {
    color: #000000;
    font-weight: bold;
    font-size: 39px;
}

.panel-div {
    width: 100%;
    flex-direction: column;
    align-items: center;
}

.inner-txt {
    width: 100%;
    height: 160px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.inner-btn {
    width: 100%;
    height: 120px;
    justify-content: center;
    align-items: center;
}
// xxx.js
export default {
  data: {
    modeFlag: "half"
  },
  showPanel() {
    this.$element('simplepanel').show()
  },
  closePanel() {
    this.$element('simplepanel').close()
  },
  changeMode(e) {
    this.modeFlag = e.mode
  }
}