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图片添加可自由改变大小（待优化） #424

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merged 1 commit into from
Apr 2, 2019
Merged

图片添加可自由改变大小（待优化） #424

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105 changes: 94 additions & 11 deletions src/renderers/atomics/Image/index.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,69 @@ export default class Image extends React.Component {
sizeEditorVisible: false,
tempLink: null,
tempWidth: null,
tempHeight: null
tempHeight: null,
showChangeSizeIcon: true
}
initialLeft
initialTop
initialWidth
initialHeight
reSizeType

changeSize = e => {
let type = this.reSizeType
if(!this.initialLeft){
this.initialLeft = e.screenX
this.initialTop = e.screenY
}
if(type === 'rightbottom'){
this.initialHeight += e.screenY-this.initialTop
this.initialWidth += e.screenX-this.initialLeft
}
if(type === 'leftbottom'){
this.initialHeight += e.screenY-this.initialTop
this.initialWidth += -e.screenX+this.initialLeft
}


this.initialLeft = e.screenX
this.initialTop = e.screenY
}

moveImage = (e) => {

this.changeSize(e)

this.setState({
tempWidth: Math.abs(this.initialWidth),
tempHeight: Math.abs(this.initialHeight)
})
}

upImage = () => {
this.confirmImageSize()
document.removeEventListener('mousemove',this.moveImage)
document.removeEventListener('mouseup',this.upImage)
this.setState({showChangeSizeIcon : false})
}

repareChangeSize = type => (e) => {
this.reSizeType = type
this.setState({showChangeSizeIcon : true})
const imageRect = this.imageElement.getBoundingClientRect()
this.initialLeft = this.initialTop = 0
this.initialWidth = imageRect.width
this.initialHeight = imageRect.height
e.preventDefault()
let that = this
document.addEventListener('mousemove',that.moveImage)
document.addEventListener('mouseup',this.upImage)
}

render () {

const { mediaData, language, imageControls } = this.props
const { toolbarVisible, toolbarOffset, linkEditorVisible, sizeEditorVisible } = this.state
const { toolbarVisible, toolbarOffset, linkEditorVisible, sizeEditorVisible, tempWidth, tempHeight, showChangeSizeIcon } = this.state
const blockData = this.props.block.getData()

let float = blockData.get('float')
Expand Down Expand Up @@ -72,6 +128,7 @@ export default class Image extends React.Component {
ref={instance => this.mediaEmbederInstance = instance}
className='bf-image'
>

{toolbarVisible ? (
<div
style={{marginLeft: toolbarOffset}}
Expand All @@ -98,8 +155,8 @@ export default class Image extends React.Component {
{sizeEditorVisible ? (
<div className='bf-image-size-editor'>
<div className='editor-input-group'>
<input type='text' placeholder={language.base.width} onKeyDown={this.handleSizeInputKeyDown} onChange={this.setImageWidth} defaultValue={width}/>
<input type='text' placeholder={language.base.height} onKeyDown={this.handleSizeInputKeyDown} onChange={this.setImageHeight} defaultValue={height}/>
<input type='number' min='1' placeholder={language.base.width} onKeyDown={this.handleSizeInputKeyDown} onChange={this.setImageWidth} defaultValue={width}/>
<input type='number' min='1' placeholder={language.base.height} onKeyDown={this.handleSizeInputKeyDown} onChange={this.setImageHeight} defaultValue={height}/>
<button type='button' onClick={this.confirmImageSize}>{language.base.confirm}</button>
</div>
</div>
Expand All @@ -108,13 +165,38 @@ export default class Image extends React.Component {
<i style={{marginLeft: toolbarOffset * -1}} className='bf-media-toolbar-arrow'></i>
</div>
) : null}
<img
ref={instance => this.imageElement = instance}
src={url}
width={width}
height={height}
{...meta}
/>
<div style={{position:'relative',width: `${width}px`,height: `${height}px`,display: 'inline-block'}}>
<img
ref={instance => this.imageElement = instance}
src={url}
width={width}
height={height}
{...meta}
/>
{
toolbarVisible &&
<div
className='bf-csize-icon right-bottom'
onMouseDown={this.repareChangeSize('rightbottom')}
/>
}
{
toolbarVisible &&
<div
className='bf-csize-icon left-bottom'
onMouseDown={this.repareChangeSize('leftbottom')}
/>
}
{
showChangeSizeIcon &&
<div
className={`bf-pre-csize ${this.reSizeType}`}
style={{width: `${tempWidth}px`, height:`${tempHeight}px`}}
/>
}

</div>

</div>
{clearFix && <div className='clearfix' style={{clear:'both',height:0,lineHeight:0,float:'none'}}></div>}
</div>
Expand Down Expand Up @@ -288,6 +370,7 @@ export default class Image extends React.Component {

const { tempWidth: width, tempHeight: height } = this.state
const newImageSize = {}
console.log(width)

width !== null && (newImageSize.width = width)
height !== null && (newImageSize.height = height)
Expand Down
32 changes: 32 additions & 0 deletions src/renderers/atomics/Image/style.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,38 @@
}

.bf-content .bf-image{
position: relative;
.bf-csize-icon{
position: absolute;
width: 10px;
height: 10px;
background: transparent;
border: 1px solid blue;
&.right-bottom{
right: 0;
bottom: 0;
cursor: se-resize;
}
&.left-bottom{
left: 0;
bottom: 0;
cursor: sw-resize;
}
}
.bf-pre-csize{
position: absolute;
border: 1px dashed deepskyblue;
background: transparent;
&.rightbottom{
left: 0;
top: 0;
}
&.leftbottom{
right: 0;
top: 0;
}
}

.bf-media-toolbar{
&::before{
visibility: hidden;
Expand Down