136 lines
4.4 KiB
JavaScript
136 lines
4.4 KiB
JavaScript
import { logError, each } from '../core/util.js';
|
|
import * as vmlCore from './core.js';
|
|
function parseInt10(val) {
|
|
return parseInt(val, 10);
|
|
}
|
|
function VMLPainter(root, storage) {
|
|
vmlCore.initVML();
|
|
this.root = root;
|
|
this.storage = storage;
|
|
var vmlViewport = document.createElement('div');
|
|
var vmlRoot = document.createElement('div');
|
|
vmlViewport.style.cssText = 'display:inline-block;overflow:hidden;position:relative;width:300px;height:150px;';
|
|
vmlRoot.style.cssText = 'position:absolute;left:0;top:0;';
|
|
root.appendChild(vmlViewport);
|
|
this._vmlRoot = vmlRoot;
|
|
this._vmlViewport = vmlViewport;
|
|
this.resize();
|
|
var oldDelFromStorage = storage.delFromStorage;
|
|
var oldAddToStorage = storage.addToStorage;
|
|
storage.delFromStorage = function (el) {
|
|
oldDelFromStorage.call(storage, el);
|
|
if (el) {
|
|
el.onRemove && el.onRemove(vmlRoot);
|
|
}
|
|
};
|
|
storage.addToStorage = function (el) {
|
|
el.onAdd && el.onAdd(vmlRoot);
|
|
oldAddToStorage.call(storage, el);
|
|
};
|
|
this._firstPaint = true;
|
|
}
|
|
VMLPainter.prototype = {
|
|
constructor: VMLPainter,
|
|
getType: function () {
|
|
return 'vml';
|
|
},
|
|
getViewportRoot: function () {
|
|
return this._vmlViewport;
|
|
},
|
|
getViewportRootOffset: function () {
|
|
var viewportRoot = this.getViewportRoot();
|
|
if (viewportRoot) {
|
|
return {
|
|
offsetLeft: viewportRoot.offsetLeft || 0,
|
|
offsetTop: viewportRoot.offsetTop || 0
|
|
};
|
|
}
|
|
},
|
|
refresh: function () {
|
|
var list = this.storage.getDisplayList(true, true);
|
|
this._paintList(list);
|
|
},
|
|
_paintList: function (list) {
|
|
var vmlRoot = this._vmlRoot;
|
|
for (var i = 0; i < list.length; i++) {
|
|
var el = list[i];
|
|
if (el.invisible || el.ignore) {
|
|
if (!el.__alreadyNotVisible) {
|
|
el.onRemove(vmlRoot);
|
|
}
|
|
el.__alreadyNotVisible = true;
|
|
}
|
|
else {
|
|
if (el.__alreadyNotVisible) {
|
|
el.onAdd(vmlRoot);
|
|
}
|
|
el.__alreadyNotVisible = false;
|
|
if (el.__dirty) {
|
|
el.beforeBrush && el.beforeBrush();
|
|
(el.brushVML || el.brush).call(el, vmlRoot);
|
|
el.afterBrush && el.afterBrush();
|
|
}
|
|
}
|
|
el.__dirty = false;
|
|
}
|
|
if (this._firstPaint) {
|
|
this._vmlViewport.appendChild(vmlRoot);
|
|
this._firstPaint = false;
|
|
}
|
|
},
|
|
resize: function (width, height) {
|
|
var width = width == null ? this._getWidth() : width;
|
|
var height = height == null ? this._getHeight() : height;
|
|
if (this._width !== width || this._height !== height) {
|
|
this._width = width;
|
|
this._height = height;
|
|
var vmlViewportStyle = this._vmlViewport.style;
|
|
vmlViewportStyle.width = width + 'px';
|
|
vmlViewportStyle.height = height + 'px';
|
|
}
|
|
},
|
|
dispose: function () {
|
|
this.root.innerHTML = '';
|
|
this._vmlRoot =
|
|
this._vmlViewport =
|
|
this.storage = null;
|
|
},
|
|
getWidth: function () {
|
|
return this._width;
|
|
},
|
|
getHeight: function () {
|
|
return this._height;
|
|
},
|
|
clear: function () {
|
|
if (this._vmlViewport) {
|
|
this.root.removeChild(this._vmlViewport);
|
|
}
|
|
},
|
|
_getWidth: function () {
|
|
var root = this.root;
|
|
var stl = root.currentStyle;
|
|
return ((root.clientWidth || parseInt10(stl.width))
|
|
- parseInt10(stl.paddingLeft)
|
|
- parseInt10(stl.paddingRight)) | 0;
|
|
},
|
|
_getHeight: function () {
|
|
var root = this.root;
|
|
var stl = root.currentStyle;
|
|
return ((root.clientHeight || parseInt10(stl.height))
|
|
- parseInt10(stl.paddingTop)
|
|
- parseInt10(stl.paddingBottom)) | 0;
|
|
}
|
|
};
|
|
function createMethodNotSupport(method) {
|
|
return function () {
|
|
logError('In IE8.0 VML mode painter not support method "' + method + '"');
|
|
};
|
|
}
|
|
each([
|
|
'getLayer', 'insertLayer', 'eachLayer', 'eachBuiltinLayer', 'eachOtherLayer', 'getLayers',
|
|
'modLayer', 'delLayer', 'clearLayer', 'toDataURL', 'pathToImage'
|
|
], function (name) {
|
|
VMLPainter.prototype[name] = createMethodNotSupport(name);
|
|
});
|
|
export default VMLPainter;
|