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378 lines
15 KiB
Plaintext
378 lines
15 KiB
Plaintext
11 months ago
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"use strict";
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/*
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Copyright [2014] [Diagramo]
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Licensed under the Apache License, Version 2.0 (the "License");
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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/*
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* This is a small library the will help import from older version
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* of Diagramo
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*/
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var Importer = {};
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/**Contains description of all versions an main changes they brought to Diagramo
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* file format*/
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Importer.fileVersions = {
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1: "This version did not have any version number. \n\
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Originally used on Diagramo.com\n\
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File extension named .dia",
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2: "This version did not have any version number.\n\
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Originally used on version 2.3beta\n\
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",
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3: "Started to be used beginning with version 2.3 final",
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4: "Started to be used beginning with version 2.4 final"
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};
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/**Import previous Diagramo file format.
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* @param {JSONObject} o - the old version file JSON object
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* @returns {JSONObject} the new JSON version
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* Warning: It does modify the original {JSONObject}
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* */
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Importer.importDiagram = function(o){
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if( !('v' in o) ){
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this.patch3(o);
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}
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/*As now we should have the o.v present
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we will allow bigger patches than 3 to be applied*/
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//apply all patches until the fileVersion reaches latest version
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for(var i = o.v + 1; i <= DIAGRAMO.fileVersion; i++){
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try{
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this['patch' + i](o);
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} catch(error){
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Log.error("Importer.importDiagram exception: " + error);
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// alert("Importer.importDiagram exception: " + error);
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}
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}
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return o;
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};
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/**
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* Apply patch no. 3 to file structure
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* @param {JSONObject} o - the old version file JSON object
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* @returns {JSONObject} the new JSON version
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* Warning: It does modify the original {JSONObject}
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* */
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Importer.patch3 = function(o){
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//initially we did not have Containers
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if('s' in o){ // 's' stands for Stack
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var jsonStack = o.s;
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//If not containers array present
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if( !('containers' in jsonStack) ){
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jsonStack.containers = []; //add an empty container array
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}
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if( 'figures' in jsonStack ){ // replace deprecated property value with new one
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var deprecatedPropertyValue = 'textSize';
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var deprecatedReplacer = 'size';
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var figures = jsonStack.figures;
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var figureLength = figures.length;
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for (var i = 0; i < figureLength; i++) {
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var properties = figures[i].properties;
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var propertiesLength = properties.length;
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for (var j = 0; j < propertiesLength; j++) {
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if (properties[j].property && properties[j].property.indexOf(deprecatedPropertyValue) != -1) {
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properties[j].property = properties[j].property.replace(deprecatedPropertyValue, deprecatedReplacer);
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}
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}
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}
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}
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}
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if( !('p' in o) ){ // 'p' stands for ContainerFigureManager
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o.p = new ContainerFigureManager() ; //empty ContainerFigureManager
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}
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if( 'm' in o ){ // 'm' stands for ConnectorManager
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var jsonConnectorManager = o.m;
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if ( 'connectors' in jsonConnectorManager ) {
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// properties that may absent
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var lineStyleProperty = new BuilderProperty('Line Style','style.lineStyle', BuilderProperty.TYPE_LINE_STYLE);
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var textSizeProperty = new BuilderProperty('Text Size', 'middleText.size', BuilderProperty.TYPE_TEXT_FONT_SIZE);
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var fontProperty = new BuilderProperty('Font', 'middleText.font', BuilderProperty.TYPE_TEXT_FONT_FAMILY);
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var textAlignProperty = new BuilderProperty('Alignment', 'middleText.align', BuilderProperty.TYPE_TEXT_FONT_ALIGNMENT);
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var textColorProperty = new BuilderProperty('Text Color', 'middleText.style.fillStyle', BuilderProperty.TYPE_COLOR);
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// flags to mark if properties are defined
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var lineStylePropertyDefined;
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var textSizePropertyDefined;
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var fontPropertyDefined;
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var textAlignPropertyDefined;
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var textColorPropertyDefined;
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var connectors = jsonConnectorManager.connectors;
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var connectorLength = connectors.length;
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for (var i = 0; i < connectorLength; i++) {
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// old version has fillStyle undefined
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if (!connectors[i].middleText.style.fillStyle) {
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connectors[i].middleText.style.fillStyle = connector_defaultConnectorTextFillStyle;
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}
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lineStylePropertyDefined = false;
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textSizePropertyDefined = false;
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fontPropertyDefined = false;
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textAlignPropertyDefined = false;
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textColorPropertyDefined = false;
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var properties = connectors[i].properties;
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var propertiesLength = properties.length;
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for (var j = 0; j < propertiesLength; j++) {
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if (lineStyleProperty.equals(properties[j])) {
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lineStylePropertyDefined = true;
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}
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if (textSizeProperty.equals(properties[j])) {
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textSizePropertyDefined = true;
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}
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if (fontProperty.equals(properties[j])) {
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fontPropertyDefined = true;
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}
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if (textAlignProperty.equals(properties[j])) {
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textAlignPropertyDefined = true;
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}
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if (textColorProperty.equals(properties[j])) {
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textColorPropertyDefined = true;
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}
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}
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// add properties that are not defined
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if (!lineStylePropertyDefined) {
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properties.push(lineStyleProperty);
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}
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if (!textSizePropertyDefined) {
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properties.push(textSizeProperty);
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}
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if (!fontPropertyDefined) {
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properties.push(fontProperty);
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}
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if (!textAlignPropertyDefined) {
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properties.push(textAlignProperty);
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}
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if (!textColorPropertyDefined) {
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properties.push(textColorProperty);
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}
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}
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}
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}
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o.v = 3;
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return o;
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};
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/**
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* Apply patch no. 4 to file structure
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* @param {JSONObject} o - the old version file JSON object
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* @returns {JSONObject} the new JSON version
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* Warning: It does modify the original {JSONObject}
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* */
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Importer.patch4 = function(o){
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o.v = 4;
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/**
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* Adds support for text underline feature
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* @param {JSONObject} o - the old version file JSON object
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* Warning: It does modify the original {JSONObject}
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* Details:
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* - Set Text::underlined to false (only Figures, Containers - in primitives and Connectors - in middleText field have it)
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* - Add text underlined property to all objects with Text primitives (only Figures, Containers - in primitives and Connectors - in middleText field have it)
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* */
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function addTextUnderline(o){
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if('s' in o){ // 's' stands for Stack
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var jsonStack = o.s;
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// go through containers
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for (var i = 0; i < jsonStack.containers.length; i++) {
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var currentContainer = jsonStack.containers[i];
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// go through primitives of container
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var primitives = currentContainer.primitives;
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for (var j = 0; j < primitives.length; j++) {
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var currentPrimitive = primitives[j];
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// search for Text instances in primitives
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if (currentPrimitive.oType === "Text") {
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currentPrimitive.underlined = false;
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// if primitive with j index is Text - than it's text underlined property is
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var textUnderlinedProperty = new BuilderProperty('Text Underlined', 'primitives.' + j + '.underlined', BuilderProperty.TYPE_TEXT_UNDERLINED);
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currentContainer.properties.push(textUnderlinedProperty);
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}
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}
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}
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// go through figures
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for (var i = 0; i < jsonStack.figures.length; i++) {
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var currentFigure = jsonStack.figures[i];
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// Text used only in primitives
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var primitives = currentFigure.primitives;
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for (var j = 0; j < primitives.length; j++) {
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var currentPrimitive = primitives[j];
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// search for Text instances in primitives
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if (currentPrimitive.oType === "Text") {
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currentPrimitive.underlined = false;
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// if primitive with j index is Text - than it's text underlined property is
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var textUnderlinedProperty = new BuilderProperty('Text Underlined', 'primitives.' + j + '.underlined', BuilderProperty.TYPE_TEXT_UNDERLINED);
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currentFigure.properties.push(textUnderlinedProperty);
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}
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}
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}
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}
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if( 'm' in o ){ // 'm' stands for ConnectorManager
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var jsonConnectorManager = o.m;
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// define typical text underlined property
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var textUnderlinedProperty = new BuilderProperty('Text Underlined', 'middleText.underlined', BuilderProperty.TYPE_TEXT_UNDERLINED);
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// go through connectors
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for (var i = 0; i < jsonConnectorManager.connectors.length; i++) {
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var currentConnector = jsonConnectorManager.connectors[i];
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// Text used as middleText property
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currentConnector.middleText.underlined = false;
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currentConnector.properties.push(textUnderlinedProperty);
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}
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}
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}
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/**
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* Adds support for gradient feature as a fill color
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* @param {JSONObject} o - the old version file JSON object
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* Warning: It does modify the original {JSONObject}
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* Details:
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* - Add to all Style instances fields Style::gradientBounds and Style::colorStops
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* - Initialize Style::gradientBounds and Style::colorStops fields as an empty arrays
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* */
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function addFillGradient(o){
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if('s' in o){ // 's' stands for Stack
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var jsonStack = o.s;
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// go through containers
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for (var i = 0; i < jsonStack.containers.length; i++) {
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var currentContainer = jsonStack.containers[i];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentContainer.style.gradientBounds = [];
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currentContainer.style.colorStops = [];
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// go through primitives of container
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var primitives = currentContainer.primitives;
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for (var j = 0; j < primitives.length; j++) {
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var currentPrimitive = primitives[j];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentPrimitive.style.gradientBounds = [];
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currentPrimitive.style.colorStops = [];
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}
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}
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// go through figures
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for (var i = 0; i < jsonStack.figures.length; i++) {
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var currentFigure = jsonStack.figures[i];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentFigure.style.gradientBounds = [];
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currentFigure.style.colorStops = [];
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// go through primitives of figure
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var primitives = currentFigure.primitives;
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for (var j = 0; j < primitives.length; j++) {
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var currentPrimitive = primitives[j];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentPrimitive.style.gradientBounds = [];
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currentPrimitive.style.colorStops = [];
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// go through points of primitive if it's defined
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var points = currentPrimitive.points /* for: Polyline, Polygon, etc*/
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|| currentPrimitive.vector /*for: ImageFrame, Text, etc*/;
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if (points) {
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for (var k = 0; k < points.length; k++) {
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var currentPoint = points[k];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentPoint.style.gradientBounds = [];
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currentPoint.style.colorStops = [];
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}
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}
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}
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// go through rotation coordinates of figure
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var rotationCoords = currentFigure.rotationCoords /*for: Figure, Group, etc*/;
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for (var j = 0; j < rotationCoords.length; j++) {
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var currentCoord = rotationCoords[j];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentCoord.style.gradientBounds = [];
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currentCoord.style.colorStops = [];
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}
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}
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}
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if( 'm' in o ){ // 'm' stands for ConnectorManager
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var jsonConnectorManager = o.m;
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// go through connectors
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for (var i = 0; i < jsonConnectorManager.connectors.length; i++) {
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var currentConnector = jsonConnectorManager.connectors[i];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentConnector.style.gradientBounds = [];
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currentConnector.style.colorStops = [];
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// go through turning points of connector
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var turningPoints = currentConnector.turningPoints;
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for (var j = 0; j < turningPoints.length; j++) {
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var currentTurningPoint = turningPoints[j];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentTurningPoint.style.gradientBounds = [];
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currentTurningPoint.style.colorStops = [];
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}
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}
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// go through connection points
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for (var i = 0; i < jsonConnectorManager.connectionPoints.length; i++) {
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var currentCp = jsonConnectorManager.connectionPoints[i];
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// old version has Style::gradientBounds and Style::colorStops undefined
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currentCp.point.style.gradientBounds = [];
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currentCp.point.style.colorStops = [];
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}
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}
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}
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/** call functions to add support for a new features of release version 4:
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* - Text underline
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||
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* - Gradient as a fill color
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||
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*/
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addTextUnderline(o);
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addFillGradient(o);
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||
|
|
return o;
|
||
|
|
};
|