mirror of
https://bitbucket.org/wisemapping/wisemapping-frontend.git
synced 2024-09-21 19:50:07 +02:00
320 lines
8.6 KiB
JavaScript
320 lines
8.6 KiB
JavaScript
/*
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* Copyright [2015] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const Element = new Class({ // eslint-disable-line no-undef
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initialize(peer, attributes) {
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this._peer = peer;
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if (peer == null) {
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throw new Error('Element peer can not be null');
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}
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if ($defined(attributes)) { // eslint-disable-line no-undef
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this._initialize(attributes);
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}
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},
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_initialize(attributes) {
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const batchExecute = {};
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// Collect arguments ...
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for (var key in attributes) {
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const funcName = this._attributeNameToFuncName(key, 'set');
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let funcArgs = batchExecute[funcName];
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if (!$defined(funcArgs)) { // eslint-disable-line no-undef
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funcArgs = [];
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}
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const signature = Element._propertyNameToSignature[key];
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const argPositions = signature[1];
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if (argPositions != Element._SIGNATURE_MULTIPLE_ARGUMENTS) {
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funcArgs[argPositions] = attributes[key];
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} else {
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funcArgs = attributes[key].split(' ');
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}
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batchExecute[funcName] = funcArgs;
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}
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// Call functions ...
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for (var key in batchExecute) { // eslint-disable-line no-redeclare
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const func = this[key];
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if (!$defined(func)) { // eslint-disable-line no-undef
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throw new Error(`Could not find function: ${key}`);
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}
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func.apply(this, batchExecute[key]);
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}
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},
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setSize(width, height) {
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this._peer.setSize(width, height);
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},
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setPosition(cx, cy) {
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this._peer.setPosition(cx, cy);
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},
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/**
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* Allows the registration of event listeners on the event target.
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* type
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* A string representing the event type to listen for.
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* listener
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* The object that receives a notification when an event of the specified type occurs. This must be an object implementing the EventListener interface, or simply a function in JavaScript.
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*
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* The following events types are supported:
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*
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*/
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addEvent(type, listener) {
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this._peer.addEvent(type, listener);
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},
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trigger(type, event) {
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this._peer.trigger(type, event);
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},
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cloneEvents(from) {
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this._peer.cloneEvents(from);
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},
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/**
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*
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* Allows the removal of event listeners from the event target.
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*
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* Parameters:
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* type
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* A string representing the event type being registered.
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* listener
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* The listener parameter takes an interface implemented by the user which contains the methods to be called when the event occurs.
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* This interace will be invoked passing an event as argument and the 'this' referece in the function will be the element.
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*/
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removeEvent(type, listener) {
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this._peer.removeEvent(type, listener);
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},
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/**
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* /*
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* Returns element type name.
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*/
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getType() {
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throw new Error(
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'Not implemeneted yet. This method must be implemented by all the inherited objects.',
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);
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},
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/**
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* Todo: Doc
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*/
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getFill() {
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return this._peer.getFill();
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},
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/**
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* Used to define the fill element color and element opacity.
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* color: Fill color
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* opacity: Opacity of the fill. It must be less than 1.
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*/
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setFill(color, opacity) {
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this._peer.setFill(color, opacity);
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},
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getPosition() {
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return this._peer.getPosition();
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},
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getNativePosition() {
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return this._peer.getNativePosition();
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},
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/*
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* Defines the element stroke properties.
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* width: stroke width
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* style: "solid|dot|dash|dashdot|longdash".
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* color: stroke color
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* opacity: stroke visibility
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*/
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setStroke(width, style, color, opacity) {
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if (
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style != null
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&& style != undefined
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&& style != 'dash'
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&& style != 'dot'
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&& style != 'solid'
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&& style != 'longdash'
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&& style != 'dashdot'
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) {
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throw new Error(`Unsupported stroke style: '${style}'`);
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}
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this._peer.setStroke(width, style, color, opacity);
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},
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_attributeNameToFuncName(attributeKey, prefix) {
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const signature = Element._propertyNameToSignature[attributeKey];
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if (!$defined(signature)) { // eslint-disable-line no-undef
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throw `Unsupported attribute: ${attributeKey}`;
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}
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const firstLetter = signature[0].charAt(0);
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return prefix + firstLetter.toUpperCase() + signature[0].substring(1);
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},
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/**
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* All element properties can be setted using either a method invocation or attribute invocation.
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* key: size, width, height, position, x, y, stroke, strokeWidth, strokeStyle, strokeColor, strokeOpacity,
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* fill, fillColor, fillOpacity, coordSize, coordSizeWidth, coordSizeHeight, coordOrigin, coordOriginX, coordOrigiY
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*/
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setAttribute(key, value) {
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const funcName = this._attributeNameToFuncName(key, 'set');
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const signature = Element._propertyNameToSignature[key];
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if (signature == null) {
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throw `Could not find the signature for:${key}`;
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}
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// Parse arguments ..
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const argPositions = signature[1];
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let args = [];
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if (argPositions !== this._SIGNATURE_MULTIPLE_ARGUMENTS) {
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args[argPositions] = value;
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} else if (typeof value === 'array') { // eslint-disable-line valid-typeof
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args = value;
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} else {
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const strValue = String(value);
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args = strValue.split(' ');
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}
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// Look up method ...
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const setter = this[funcName];
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if (setter == null) {
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throw `Could not find the function name:${funcName}`;
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}
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setter.apply(this, args);
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},
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getAttribute(key) {
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const funcName = this._attributeNameToFuncName(key, 'get');
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const signature = Element._propertyNameToSignature[key];
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if (signature == null) {
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throw `Could not find the signature for:${key}`;
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}
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const getter = this[funcName];
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if (getter == null) {
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throw `Could not find the function name:${funcName}`;
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}
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const getterResult = getter.apply(this, []);
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const attibuteName = signature[2];
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if (!$defined(attibuteName)) { // eslint-disable-line no-undef
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throw `Could not find attribute mapping for:${key}`;
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}
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const result = getterResult[attibuteName];
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if (!$defined(result)) { // eslint-disable-line no-undef
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throw `Could not find attribute with name:${attibuteName}`;
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}
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return result;
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},
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/**
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* Defines the element opacity.
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* Parameters:
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* opacity: A value between 0 and 1.
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*/
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setOpacity(opacity) {
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this._peer.setStroke(null, null, null, opacity);
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this._peer.setFill(null, opacity);
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},
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setVisibility(isVisible) {
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this._peer.setVisibility(isVisible);
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},
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isVisible() {
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return this._peer.isVisible();
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},
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/**
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* Move the element to the front
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*/
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moveToFront() {
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this._peer.moveToFront();
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},
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/**
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* Move the element to the back
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*/
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moveToBack() {
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this._peer.moveToBack();
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},
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getStroke() {
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return this._peer.getStroke();
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},
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setCursor(type) {
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this._peer.setCursor(type);
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},
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getParent() {
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return this._peer.getParent();
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},
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});
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Element._SIGNATURE_MULTIPLE_ARGUMENTS = -1;
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Element._supportedEvents = [
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'click',
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'dblclick',
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'mousemove',
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'mouseout',
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'mouseover',
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'mousedown',
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'mouseup',
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];
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Element._propertyNameToSignature = {
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// Format: [attribute name, argument position on setter, attribute name on getter]
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size: ['size', -1],
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width: ['size', 0, 'width'],
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height: ['size', 1, 'height'],
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position: ['position', -1],
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x: ['position', 0, 'x'],
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y: ['position', 1, 'y'],
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stroke: ['stroke', -1],
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strokeWidth: ['stroke', 0, 'width'],
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strokeStyle: ['stroke', 1, 'style'],
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strokeColor: ['stroke', 2, 'color'],
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strokeOpacity: ['stroke', 3, 'opacity'],
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fill: ['fill', -1],
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fillColor: ['fill', 0, 'color'],
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fillOpacity: ['fill', 1, 'opacity'],
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coordSize: ['coordSize', -1],
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coordSizeWidth: ['coordSize', 0, 'width'],
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coordSizeHeight: ['coordSize', 1, 'height'],
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coordOrigin: ['coordOrigin', -1],
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coordOriginX: ['coordOrigin', 0, 'x'],
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coordOriginY: ['coordOrigin', 1, 'y'],
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visibility: ['visibility', 0],
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opacity: ['opacity', 0],
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};
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export default Element;
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