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osd-svg-overlay.js
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osd-svg-overlay.js
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(function($) {
$.getTools = function(options) {
if (this.svgOverlayTools) {
return this.svgOverlayTools;
}
options.partOfPrefix = '_partOf';
this.svgOverlayTools = [new $.Rectangle(options), new $.Freehand(options), new $.Polygon(options), new $.Ellipse(options), new $.Pin(options)];
return this.svgOverlayTools;
};
OpenSeadragon.Viewer.prototype.svgOverlay = function(osdViewerId, windowId, state, eventEmitter) {
return new $.Overlay(this, osdViewerId, windowId, state, eventEmitter);
};
$.Overlay = function(viewer, osdViewerId, windowId, state, eventEmitter) {
var drawingToolsSettings = state.getStateProperty('drawingToolsSettings');
this.drawingToolsSettings = drawingToolsSettings;
var availableAnnotationDrawingTools = state.getStateProperty('availableAnnotationDrawingTools');
var availableExternalCommentsPanel = state.getStateProperty('availableExternalCommentsPanel');
jQuery.extend(this, {
disabled: true,
inEditMode: false,
osdViewerId: osdViewerId,
windowId: windowId,
commentPanel: null,
mode: '', // Possible modes: 'create', 'translate', 'deform','rotate', 'edit' and '' as default.
draftPaths: [],
editedPaths: [],
hoveredPath: null,
path: null,
segment: null,
latestMouseDownTime: -1,
doubleClickReactionTime: drawingToolsSettings.doubleClickReactionTime,
availableAnnotationDrawingTools: availableAnnotationDrawingTools,
availableExternalCommentsPanel: availableExternalCommentsPanel,
dashArray: [],
fixedShapeSize: drawingToolsSettings.fixedShapeSize,
selectedColor: drawingToolsSettings.selectedColor || '#004c66',
shapeHandleSize:drawingToolsSettings.shapeHandleSize,
partOfPrefix:'_partOf',
hitOptions: {
handles: true,
stroke: true,
segments: true,
tolerance: 5
}
});
this.tools = $.getTools(drawingToolsSettings);
this.currentTool = null;
// Default colors.
this.dashArray = [];
this.strokeColor = drawingToolsSettings.strokeColor;
this.fillColor = drawingToolsSettings.fillColor;
this.fillColorAlpha = drawingToolsSettings.fillColorAlpha;
this.viewer = viewer;
this.canvas = document.createElement('canvas');
// workaround to remove focus from editor
jQuery(this.canvas).attr('tabindex', '0').mousedown(function(){ jQuery(this).focus();});
this.canvas.id = 'draw_canvas_' + this.windowId;
// Drawing of overlay border during development.
// this.canvas.style.border = '1px solid yellow';
this.viewer.canvas.appendChild(this.canvas);
var _this = this;
this.slotWindowElement = state.getWindowElement(this.windowId);
this.state = state;
this.eventEmitter = eventEmitter;
this.eventsSubscriptions = [];
this._thisResize = function(){
_this.resize();
};
this._thisRotate = function(event) {
_this.rotate(event);
_this.resize();
};
this.viewer.addHandler('animation', this._thisResize);
this.viewer.addHandler('open', this._thisResize);
this.viewer.addHandler('animation-finish', this._thisResize);
this.viewer.addHandler('update-viewport', this._thisResize);
this.viewer.addHandler('resize',this._thisResize);
this.viewer.addHandler('rotate', this._thisRotate);
this.viewer.addHandler('constrain',this._thisResize);
this._thisDestroy = function(){
_this.destroy();
};
this.viewer.addHandler('close',this._thisDestroy);
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('modeChange.' + _this.windowId,function(event,newMode){
_this.currentTool = '';
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('toggleDrawingTool.' + _this.windowId, function(event, tool) {
//qtip code should NOT be here
if (_this.disabled) {
jQuery('.qtip' + _this.windowId).qtip('hide');
return;
}
jQuery('#' + osdViewerId).parents('.window').find('.qtip-viewer').hide();
_this.currentTool = null;
_this.mode = '';
for (var i = 0; i < _this.tools.length; i++) {
if (_this.tools[i].logoClass === tool) {
_this.currentTool = _this.tools[i];
}
}
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('toggleDefaultDrawingTool.' + _this.windowId, function(event) {
//qtip code should NOT be here
if (_this.disabled) {
jQuery('.qtip' + _this.windowId).qtip('hide');
return;
}
jQuery('#' + osdViewerId).parents('.window').find('.qtip-viewer').hide();
_this.currentTool = null;
for (var i = 0; i < _this.availableAnnotationDrawingTools.length; i++) {
for (var j = 0; j < _this.tools.length; j++) {
if (_this.availableAnnotationDrawingTools[i] == _this.tools[j].name) {
_this.currentTool = _this.tools[j];
break;
}
}
if (_this.currentTool) {
break;
}
}
}));
var _thisHandleDeleteShapeEvent = function(event,shape){
_this.handleDeleteShapeEvent(event,shape);
};
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('deleteShape.' + _this.windowId, _thisHandleDeleteShapeEvent));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('changeBorderColor.' + _this.windowId, function(event, color) {
_this.strokeColor = color;
if (_this.hoveredPath) {
_this.hoveredPath.strokeColor = color;
_this.paperScope.view.draw();
}
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('changeFillColor.' + _this.windowId, function(event, color, alpha) {
_this.fillColor = color;
_this.fillColorAlpha = alpha;
if (_this.hoveredPath && _this.hoveredPath.closed) {
_this.hoveredPath.fillColor = color;
_this.hoveredPath.fillColor.alpha = alpha;
_this.paperScope.view.draw();
}
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('toggleBorderType.' + _this.windowId, function (event, type) {
if (type == 'solid') {
_this.dashArray = [];
} else if (type == 'dashed') {
_this.dashArray = [5, 5];
} else if (type == 'dotdashed') {
_this.dashArray = [2, 5, 7, 5];
}
if (_this.hoveredPath) {
_this.hoveredPath.dashArray = _this.dashArray;
_this.paperScope.view.draw();
}
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('annotationEditSave.'+_this.windowId,function(event,oaAnno){
var onAnnotationSaved = jQuery.Deferred();
var windowElement = _this.state.getWindowElement(_this.windowId);
if (!_this.draftPaths.length) {
new $.DialogBuilder(windowElement).dialog({
message: i18n.t('editModalSaveAnnotationWithNoShapesMsg'),
buttons: {
success: {
label: i18n.t('editModalBtnSaveWithoutShapes'),
className: 'btn-success',
callback: function () {
oaAnno.on = {
"@type": "oa:SpecificResource",
"full": _this.state.getWindowObjectById(_this.windowId).canvasID
};
//save to endpoint
_this.eventEmitter.publish('annotationUpdated.' + _this.windowId, [oaAnno]);
onAnnotationSaved.resolve();
}
},
danger: {
label: i18n.t('editModalBtnDeleteAnnotation'),
className: 'btn-danger',
callback: function () {
_this.eventEmitter.publish('annotationDeleted.' + _this.windowId, [oaAnno['@id']]);
onAnnotationSaved.resolve();
}
},
main: {
label: i18n.t('cancel'),
className: 'btn-default',
callback: function () {
onAnnotationSaved.reject();
}
}
}
});
} else {
var svg = _this.getSVGString(_this.draftPaths);
oaAnno.on = {
"@type": "oa:SpecificResource",
"full": _this.state.getWindowObjectById(_this.windowId).canvasID,
"selector": {
"@type": "oa:SvgSelector",
"value": svg
}
};
//save to endpoint
_this.eventEmitter.publish('annotationUpdated.' + _this.windowId, [oaAnno]);
onAnnotationSaved.resolve();
}
jQuery.when(onAnnotationSaved.promise()).then(function(){
_this.eventEmitter.publish('annotationEditSaveSuccessful.'+_this.windowId);
_this.eventEmitter.publish('SET_ANNOTATION_EDITING.' + _this.windowId, {
"annotationId" : oaAnno['@id'],
"isEditable" : false,
"tooltip" : _this
});
_this.eventEmitter.publish('modeChange.' + _this.windowId, 'displayAnnotations');
// return to pointer mode
_this.eventEmitter.publish('SET_STATE_MACHINE_POINTER.' + _this.windowId);
},function(){
// confirmation rejected don't do anything
});
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('annotationEditCancel.'+_this.windowId,function(event,id){
_this.eventEmitter.publish('SET_ANNOTATION_EDITING.' + _this.windowId, {
"annotationId" : id,
"isEditable" : false,
"tooltip" : _this.annoTooltip // whats the point of this? maybe when we add confirm for cancel?
});
_this.eventEmitter.publish('modeChange.' + _this.windowId, 'displayAnnotations');
// return to pointer mode
_this.eventEmitter.publish('SET_STATE_MACHINE_POINTER.' +_this.windowId);
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('clearDraftPaths.'+_this.windowId,function(){
_this.clearDraftData();
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('onAnnotationCreated.'+_this.windowId,function(event,oaAnno){
//should remove the styles added for newly created annotation
for(var i=0;i<_this.draftPaths.length;i++){
if(_this.draftPaths[i].data && _this.draftPaths[i].data.newlyCreated){
_this.draftPaths[i].strokeWidth /= _this.draftPaths[i].data.newlyCreatedStrokeFactor;
_this.draftPaths[i].data.currentStrokeValue /= _this.draftPaths[i].data.newlyCreatedStrokeFactor;
delete _this.draftPaths[i].data.newlyCreated;
delete _this.draftPaths[i].data.newlyCreatedStrokeFactor;
}
}
var svg = _this.getSVGString(_this.draftPaths);
oaAnno.on = {
"@type": "oa:SpecificResource",
"full": _this.state.getWindowObjectById(_this.windowId).canvasID,
"selector": {
"@type": "oa:SvgSelector",
"value": svg
}
};
//save to endpoint
_this.eventEmitter.publish('annotationCreated.' + _this.windowId, [oaAnno]);
// return to pointer mode
_this.eventEmitter.publish('SET_STATE_MACHINE_POINTER.' + _this.windowId);
//reenable viewer tooltips
_this.eventEmitter.publish('enableTooltips.' + _this.windowId);
_this.clearDraftData();
_this.annoTooltip = null;
_this.annoEditorVisible = false;
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('onAnnotationCreatedCanceled.'+_this.windowId,function(event,cancelCallback,immediate){
var cancel = function(){
_this.eventEmitter.publish('SET_STATE_MACHINE_POINTER.' + _this.windowId);
_this.clearDraftData();
_this.annoTooltip = null;
_this.annoEditorVisible = false;
};
if (!immediate) {
new $.DialogBuilder().confirm(i18n.t('cancelAnnotation'), function (result) {
if (!result) {
return;
}
cancel();
if (cancelCallback) {
cancelCallback();
}
});
}else{
cancel();
}
}));
this.eventsSubscriptions.push(_this.eventEmitter.subscribe('onAnnotationDeleted.' + _this.windowId,function(event,id,callback){
_this.eventEmitter.publish('annotationDeleted.' + _this.windowId, [id]);
_this.eventEmitter.publish('modeChange.' + _this.windowId, 'displayAnnotations');
if(callback){
callback();
}
}));
this.resize();
this.show();
this.init();
};
$.Overlay.prototype = {
init: function() {
// Initialization of Paper.js overlay.
var _this = this;
this.lastAngle = 0;
this.paperScope = new paper.PaperScope();
this.paperScope.setup('draw_canvas_' + _this.windowId);
this.paperScope.activate();
this.paperScope.project.options.handleSize = _this.state.getStateProperty('shapeHandleSize');
jQuery(_this.canvas).attr('keepalive', 'true');
this.annotationUtils = new $.AnnotationUtils();
this.paperScope.view.onFrame = function(event) {
if (_this.paperScope.snapPoint) {
_this.paperScope.snapPoint.remove();
_this.paperScope.snapPoint = null;
}
if (_this.path && !_this.path.closed && _this.cursorLocation && _this.currentTool && _this.currentTool.idPrefix.indexOf('rough_path_') != -1) {
var distanceToFirst = _this.path.segments[0].point.getDistance(_this.cursorLocation);
if (_this.path.segments.length > 1 && distanceToFirst < _this.hitOptions.tolerance) {
_this.paperScope.snapPoint = new _this.paperScope.Path.Circle({
name: 'snapPoint',
center: _this.path.segments[0].point,
radius: _this.hitOptions.tolerance / _this.paperScope.view.zoom,
fillColor: _this.path.strokeColor,
strokeColor: _this.path.strokeColor
});
}
}
};
var mouseTool = jQuery.data(document.body, 'draw_canvas_' + _this.windowId);
if (mouseTool) {
mouseTool.remove();
}
mouseTool = new this.paperScope.Tool();
mouseTool.overlay = this;
mouseTool.onMouseUp = _this.onMouseUp;
mouseTool.onMouseDrag = _this.onMouseDrag;
mouseTool.onMouseMove = _this.onMouseMove;
mouseTool.onMouseDown = _this.onMouseDown;
mouseTool.onDoubleClick = _this.onDoubleClick;
mouseTool.onKeyDown = function(event){};
jQuery.data(document.body, 'draw_canvas_' + _this.windowId, mouseTool);
this.listenForActions();
},
handleDeleteShapeEvent: function (event, shape) {
var _this = this;
new $.DialogBuilder(this.slotWindowElement).confirm(i18n.t('deleteShape'), function (result) {
if (result) {
_this.deleteShape(shape);
}
});
},
listenForActions: function() {
var _this = this;
this.eventsSubscriptions.push(this.eventEmitter.subscribe('SET_OVERLAY_TOOLTIP.' + this.windowId, function(event, options) {
_this.annoTooltip = options.tooltip;
_this.annoEditorVisible = options.visible;
_this.draftPaths = options.paths;
}));
this.eventsSubscriptions.push(this.eventEmitter.subscribe('CANCEL_ACTIVE_ANNOTATIONS.' + this.windowId, function(event) {
//for now, don't worry about getting user confirmation, just cancel everything
_this.clearDraftData();
_this.annoTooltip = null;
_this.annoEditorVisible = false;
}));
this.eventsSubscriptions.push(this.eventEmitter.subscribe('ANNOTATIONS_LIST_UPDATED',function(event,opts){
if(_this.windowId === opts.windowId){
_this.eventEmitter.publish('refreshOverlay.'+_this.windowId);
}
}));
},
deleteShape:function(shape){
for(var i=0;i<this.draftPaths.length;i++){
if(this.draftPaths[i]._name.toString() === shape._name.toString()){
this.draftPaths.splice(i,1);
break;
}
}
this.removeFocus();
shape.remove();
},
getMousePositionInImage: function(mousePosition) {
if (mousePosition.x < 0) {
mousePosition.x = 0;
}
if (mousePosition.x > this.viewer.tileSources.width) {
mousePosition.x = this.viewer.tileSources.width;
}
if (mousePosition.y < 0) {
mousePosition.y = 0;
}
if (mousePosition.y > this.viewer.tileSources.height) {
mousePosition.y = this.viewer.tileSources.height;
}
return mousePosition;
},
adjustDeltaForShape: function(lastPoint, currentPoint, delta, bounds) {
//first check along x axis
if (lastPoint.x < currentPoint.x) {
//moving to the right, delta should be based on the right most edge
if (bounds.x + bounds.width > this.viewer.tileSources.width) {
delta.x = this.viewer.tileSources.width - (bounds.x + bounds.width);
}
} else {
//moving to the left, prevent it from going past the left edge. if it does, use the shapes x value as the delta
if (bounds.x < 0) {
delta.x = Math.abs(bounds.x);
}
}
//check along y axis
if (lastPoint.y < currentPoint.y) {
// moving to the bottom
if (bounds.y + bounds.height > this.viewer.tileSources.height) {
delta.y = this.viewer.tileSources.height - (bounds.y + bounds.height);
}
} else {
//moving to the top
if (bounds.y < 0) {
delta.y = Math.abs(bounds.y);
}
}
return delta;
},
onMouseUp: function(event) {
if (!this.overlay.disabled) {
event.stopPropagation();
//jQuery(this.overlay.viewer.canvas).css('cursor','default');
// if (this.overlay.mode === 'deform' || this.overlay.mode === 'edit') {
// this.overlay.segment = null;
// this.overlay.()) = null;
// }
// if (this.overlay.mode != 'create') {
// this.overlay.mode = '';
// }
if (this.overlay.currentTool) {
//we may not currently have a tool if the user is in edit mode and didn't click on an editable shape
this.overlay.currentTool.onMouseUp(event, this.overlay);
}
}
},
onMouseDrag: function(event) {
if (!this.overlay.disabled) {
event.stopPropagation();
if (this.overlay.currentTool) {
if (this.overlay.currentTool.name === 'Freehand' && this.overlay.mode === 'create') {
//freehand create needs to use mouse position because bounds are not accurate until shape is finished
event.point = this.overlay.getMousePositionInImage(event.point);
event.delta = event.point - event.lastPoint;
} else {
var bounds = this.overlay.path.bounds;
// we already have a shape, and we are moving it, need to account for that, rather than mouse position
event.delta = this.overlay.adjustDeltaForShape(event.lastPoint, event.point, event.delta, bounds);
}
//we may not currently have a tool if the user is in edit mode and didn't click on an editable shape
this.overlay.currentTool.onMouseDrag(event, this.overlay);
}
} else {
var absolutePoint = {
'x': event.event.clientX,
'y': event.event.clientY
};
this.overlay.eventEmitter.publish('updateTooltips.' + this.overlay.windowId, [event.point, absolutePoint]);
}
this.overlay.paperScope.view.draw();
},
onMouseMove: function(event) {
this.overlay.cursorLocation = event.point;
if (!this.overlay.disabled) {
// We are in drawing mode
// if (this.overlay.paperScope.project.hitTest(event.point, this.overlay.hitOptions)) {
// } else {
// //jQuery(this.overlay.viewer.canvas).css('cursor','default');
// }
event.stopPropagation();
if (this.overlay.currentTool) {
this.overlay.currentTool.onMouseMove(event, this.overlay);
}
} else {
var absolutePoint = {
'x': event.event.clientX,
'y': event.event.clientY
};
this.overlay.eventEmitter.publish('updateTooltips.' + this.overlay.windowId, [event.point, absolutePoint]);
}
this.overlay.paperScope.view.draw();
},
onMouseDown: function(event) {
if (this.overlay.disabled) {
return;
}
event.stopPropagation();
var date = new Date();
var time = date.getTime();
if (time - this.overlay.latestMouseDownTime < this.overlay.doubleClickReactionTime) {
this.overlay.latestMouseDownTime = time;
this.onDoubleClick(event);
} else {
this.overlay.latestMouseDownTime = time;
var hitResult = this.overlay.paperScope.project.hitTest(event.point, this.overlay.hitOptions);
if (this.overlay.mode !== 'create' && this.overlay.mode !=='') {
this.overlay.mode = '';
this.overlay.currentTool = null;
}
if (hitResult && this.overlay.mode !== 'create') {
var overlayEditable = false;
if (typeof hitResult.item.data.editable !== 'undefined') {
overlayEditable = hitResult.item.data.editable; // TODO should remove this editable variable when persisting the svg (will reduce length of string/memory)
}
// if item is part of shape it is editable
// part of shape items only appear when the shape is selected
if (hitResult.item._name.toString().indexOf(this.overlay.partOfPrefix) !== -1) {
overlayEditable = true;
}
if (!overlayEditable) {
return;
}
}
if (hitResult && (!this.overlay.currentTool || (hitResult.item._name.toString().indexOf(this.overlay.currentTool.idPrefix) === -1 && this.overlay.mode === ''))) {
var prefix = hitResult.item._name.toString();
prefix = prefix.substring(0, prefix.indexOf('_') + 1);
// nasty workaround some names contain `_` inside their name
var longPrefix = hitResult.item._name.toString().split('_');
longPrefix = longPrefix[0] + '_' + longPrefix[1] + '_';
for (var j = 0; j < this.overlay.tools.length; j++) {
if (this.overlay.tools[j].idPrefix === prefix || this.overlay.tools[j].idPrefix === longPrefix) {
this.overlay.eventEmitter.publish('toggleDrawingTool.' + this.overlay.windowId, this.overlay.tools[j].logoClass);
break;
}
}
}
if (this.overlay.currentTool) {
event.point = this.overlay.getMousePositionInImage(event.point);
this.overlay.currentTool.onMouseDown(event, this.overlay);
}
}
this.overlay.hover();
this.overlay.paperScope.view.draw();
},
onDoubleClick: function(event) {
event.stopPropagation();
if (this.overlay.currentTool) {
this.overlay.currentTool.onDoubleClick(event, this.overlay);
}
},
fitFixedSizeShapes: function(shape) {
shape.data.fixedSize = true;
if (shape.name.toString().indexOf('pin_') != -1) {
var scale = 1 / shape.bounds.width;
scale *= this.fixedShapeSize / this.paperScope.view.zoom;
shape.scale(scale, shape.segments[0].point);
}
},
updateSelection: function(selected, item) {
if(item && item._name){
var shapeTool = this.getTool(item);
if(shapeTool){
item.selectedColor = this.selectedColor;
shapeTool.updateSelection(selected, item, this);
}
}
},
rotate: function (event) {
if (this.paperScope && this.paperScope.view) {
this.paperScope.view._matrix.rotate(event.degrees-this.lastAngle, this.paperScope.view.center);
this.lastAngle = event.degrees;
}
},
resize: function() {
var viewportBounds = this.viewer.viewport.getBounds(true);
/* in viewport coordinates */
this.canvas.width = this.viewer.viewport.containerSize.x;
this.canvas.height = this.viewer.viewport.containerSize.y;
var transform = 'translate(0px,0px)';
this.canvas.style.WebkitTransform = transform;
this.canvas.style.msTransform = transform;
this.canvas.style.transform = transform;
this.canvas.style.marginLeft = '0px';
this.canvas.style.marginTop = '0px';
if (this.paperScope && this.paperScope.view) {
this.paperScope.view.viewSize = new this.paperScope.Size(this.canvas.width, this.canvas.height);
this.paperScope.view.zoom = this.viewer.viewport.viewportToImageZoom(this.viewer.viewport.getZoom(true));
this.paperScope.view.center = new this.paperScope.Size(
this.viewer.world.getItemAt(0).source.dimensions.x * viewportBounds.x + this.paperScope.view.bounds.width / 2,
this.viewer.world.getItemAt(0).source.dimensions.x * viewportBounds.y + this.paperScope.view.bounds.height / 2);
this.paperScope.view.update(true);
var allItems = this.paperScope.project.getItems({
name: /_/
});
for (var j = 0; j < allItems.length; j++) {
if (allItems[j].data.fixedSize) {
this.fitFixedSizeShapes(allItems[j]);
}
if(this.getTool(allItems[j]).onResize){
this.getTool(allItems[j]).onResize(allItems[j],this);
}
allItems[j].strokeWidth = allItems[j].data.currentStrokeValue / this.paperScope.view.zoom;
if (allItems[j].style) {
allItems[j].style.strokeWidth = allItems[j].data.currentStrokeValue / this.paperScope.view.zoom;
}
}
}
},
hover: function() {
if(!this.currentTool){
return;
}
if (!this.currentTool && this.hoveredPath) {
this.updateSelection(false, this.hoveredPath);
this.hoveredPath = null;
}
if (this.hoveredPath) {
if (this.hoveredPath._name.toString().indexOf(this.currentTool.idPrefix) === -1) {
this.updateSelection(false, this.hoveredPath);
this.hoveredPath = null;
}
if (this.path && this.path._name.toString().indexOf(this.currentTool.idPrefix) !== -1 ) {
//should make exception for the dynamically attached paths to shapes
if(this.currentTool.partOfPrefix && this.path._name.toString().indexOf(this.currentTool.partOfPrefix) !== -1){
return;
}
if (this.hoveredPath) {
if(this.hoveredPath._name.toString() === this.path._name.toString() ){
return;
}else{
this.updateSelection(false, this.hoveredPath);
}
}
this.hoveredPath = this.path;
this.updateSelection(true, this.hoveredPath);
}
return;
}
if (this.path && this.path._name.toString().indexOf(this.currentTool.idPrefix) != -1) {
this.hoveredPath = this.path;
this.updateSelection(true, this.hoveredPath);
}
},
removeFocus: function() {
if (this.hoveredPath) {
this.updateSelection(false, this.hoveredPath);
this.hoveredPath = null;
}
if (this.path) {
this.updateSelection(false, this.path);
this.path = null;
}
},
restoreEditedShapes: function() {
this.editedPaths = [];
this.removeFocus();
},
restoreDraftShapes: function() {
this.clearDraftData();
this.removeFocus();
},
// get the tool which controls given shape
getTool:function(shape){
for(var i=0;i<this.tools.length;i++){
if(shape.name.toString().indexOf(this.tools[i].idPrefix) !== -1){
return this.tools[i];
}
}
},
// replaces paper.js objects with the required properties only.
// 'shapes' coordinates are image coordiantes
replaceShape: function(shape, annotation) {
//backward compatibility when changing shapes points
var shapeTool = this.getTool(shape);
if(shapeTool && shapeTool.SEGMENT_POINTS_COUNT && shapeTool.SEGMENT_POINTS_COUNT !== shape.segments.length){
shapeTool.adaptSegments(shape,this);
}
var cloned = new this.paperScope.Path({
segments: shape.segments,
name: shape.name
});
cloned.data.defaultStrokeValue = 1;
cloned.data.editStrokeValue = 5;
cloned.data.currentStrokeValue = cloned.data.defaultStrokeValue;
cloned.strokeWidth = cloned.data.currentStrokeValue / this.paperScope.view.zoom;
cloned.strokeColor = shape.strokeColor;
cloned.dashArray = shape.dashArray;
if (shape.fillColor) {
cloned.fillColor = shape.fillColor;
if (shape.fillColor.alpha) {
cloned.fillColor.alpha = shape.fillColor.alpha;
}
}
cloned.closed = shape.closed;
cloned.data.rotation = shape.data.rotation;
cloned.data.fixedSize = shape.data.fixedSize;
cloned.data.annotation = annotation;
if (cloned.data.fixedSize) {
this.fitFixedSizeShapes(cloned);
}
shape.remove();
return cloned;
},
// creating shapes used for backward compatibility.
// shape coordinates are viewport coordinates.
createRectangle: function(shape, annotation) {
var paperItems = [];
var rect = new $.Rectangle();
var initialPoint = {
'x': shape.x,
'y': shape.y
};
var currentMode = this.mode;
var currentPath = this.path;
var strokeColor = this.strokeColor;
var fillColor = this.fillColor;
var fillColorAlpha = this.fillColorAlpha;
this.strokeColor = this.state.getStateProperty('drawingToolsSettings').strokeColor;
this.fillColor = this.state.getStateProperty('drawingToolsSettings').fillColor;
this.fillColorAlpha = this.state.getStateProperty('drawingToolsSettings').fillColorAlpha;
this.mode = 'create';
this.path = rect.createShape(initialPoint, this);
var eventData = {
'delta': {
'x': shape.width,
'y': shape.height
}
};
rect.onMouseDrag(eventData, this);
paperItems.push(this.path);
paperItems[0].data.annotation = annotation;
this.updateSelection(false, paperItems[0]);
this.strokeColor = strokeColor;
this.fillColor = fillColor;
this.fillColorAlpha = fillColorAlpha;
this.path = currentPath;
this.mode = currentMode;
return paperItems;
},
parseSVG: function(svg, annotation) {
var paperItems = [];
var svgParser = new DOMParser();
var svgDOM = svgParser.parseFromString(svg, "text/xml");
if (svgDOM.documentElement.nodeName == 'parsererror') {
return; // if svg is not valid XML structure - backward compatibility.
}
var svgTag = this.paperScope.project.importSVG(svg);
// removes SVG tag which is the root object of comment SVG segment.
var body = svgTag.removeChildren()[0];
svgTag.remove();
if (body.className == 'Group') {
// removes group tag which wraps the set of objects of comment SVG segment.
var items = body.removeChildren();
for (var itemIdx = 0; itemIdx < items.length; itemIdx++) {
paperItems.push(this.replaceShape(items[itemIdx], annotation));
}
body.remove();
} else {
paperItems.push(this.replaceShape(body, annotation));
}
this.paperScope.view.update(true);
return paperItems;
},
// Restore latest view before rendering.
restoreLastView: function(shapeArray) {
for (var i = 0; i < this.editedPaths.length; i++) {
for (var idx = 0; idx < shapeArray.length; idx++) {
if (shapeArray[idx].name == this.editedPaths[i].name) {
shapeArray[idx].segments = this.editedPaths[i].segments;
shapeArray[idx].name = this.editedPaths[i].name;
shapeArray[idx].strokeWidth = shapeArray[idx].data.currentStrokeValue / this.paperScope.view.zoom;
shapeArray[idx].strokeColor = this.editedPaths[i].strokeColor;
shapeArray[idx].dashArray = this.editedPaths[i].dashArray;
if (this.editedPaths[i].fillColor) {
shapeArray[idx].fillColor = this.editedPaths[i].fillColor;
if (this.editedPaths[i].fillColor.alpha) {
shapeArray[idx].fillColor.alpha = this.editedPaths[i].fillColor.alpha;
}
}
if (this.editedPaths[i].style) {
shapeArray[idx].style = this.editedPaths[i].style;
shapeArray[idx].style.strokeWidth = shapeArray[idx].data.currentStrokeValue / this.paperScope.view.zoom;
}
shapeArray[idx].closed = this.editedPaths[i].closed;
shapeArray[idx].data.rotation = this.editedPaths[i].data.rotation;
shapeArray[idx].data.fixedSize = this.editedPaths[i].data.fixedSize;
shapeArray[idx].data.annotation = this.editedPaths[i].data.annotation;
if (shapeArray[idx].data.fixedSize) {
this.fitFixedSizeShapes(shapeArray[idx]);
}
}
}
}
},
deselectAll: function() {
if (this.paperScope && this.paperScope.view && this.paperScope.project) {
this.paperScope.project.deselectAll();
this.paperScope.view.update(true);
this.destroyCommentPanel();
}
},
hide: function() {
this.canvas.style.display = 'none';
this.deselectAll();
},
show: function() {
this.canvas.style.display = 'block';
},
disable: function() {
this.disabled = true;
this.inEditMode = false;
this.eventEmitter.publish('enableTooltips.' + this.windowId);
this.deselectAll();
},
enableEdit: function() {
this.disabled = false;
this.inEditMode = true;
this.eventEmitter.publish('disableTooltips.' + this.windowId);
},
enable: function() {
var setDefaultTool = this.disabled;
this.disabled = false;
this.inEditMode = false;
this.eventEmitter.publish('disableTooltips.' + this.windowId);
// if (setDefaultTool) {
// this.eventEmitter.publish('toggleDefaultDrawingTool.' + this.windowId);
// }
},
refresh: function() {
this.paperScope.view.update(true);
},
destroyCommentPanel: function() {
this.eventEmitter.publish('removeTooltips.' + this.windowId);
jQuery(this.canvas).parents('.mirador-osd').qtip('destroy', true);
this.commentPanel = null;
},
getName: function(tool) {
return tool.idPrefix + $.genUUID();
},
getSVGString: function(shapes) {
var svg = "<svg xmlns='http://www.w3.org/2000/svg'>";
if (shapes.length > 1) {
svg += "<g>";
for (var i = 0; i < shapes.length; i++) {
this.updateSelection(false,shapes[i]);
if (shapes[i].data.fixedSize) {
this.fitFixedSizeShapes(shapes[i]);
}
var anno = shapes[i].data.annotation;
shapes[i].data.annotation = null;
svg += shapes[i].exportSVG({
"asString": true
});
shapes[i].data.annotation = anno;
}
svg += "</g>";
} else {
this.updateSelection(false,shapes[0]);
if (shapes[0].data.fixedSize) {
this.fitFixedSizeShapes(shapes[0]);
}
var annoSingle = shapes[0].data.annotation;
shapes[0].data.annotation = null;
svg += shapes[0].exportSVG({
"asString": true
});
shapes[0].data.annotation = annoSingle;
}
svg += "</svg>";
return svg;
},
onDrawFinish: function() {
var shape = this.path;
if (!shape) {
return;
}
if (this.hoveredPath) {
this.updateSelection(false, this.hoveredPath);
}
// Set special style for newly created shapes
var newlyCreatedStrokeFactor = this.drawingToolsSettings.newlyCreatedShapeStrokeWidthFactor || 5;
shape.data.newlyCreatedStrokeFactor = newlyCreatedStrokeFactor;
shape.data.newlyCreated = true;
shape.data.currentStrokeValue *= newlyCreatedStrokeFactor;
shape.strokeWidth *= newlyCreatedStrokeFactor;
this.hoveredPath = shape;
this.segment = null;
this.path = null;
this.mode = '';
this.currentTool =null;
this.draftPaths.push(shape);
shape.data.editable = true;
this.updateSelection(true, this.hoveredPath);
if (typeof this.annoTooltip === 'undefined' || !this.annoTooltip) {
this.annoTooltip = new $.AnnotationTooltip({
targetElement: jQuery(this.canvas).parents('.mirador-osd'),
state: this.state,
eventEmitter: this.eventEmitter,
windowId: this.windowId
});
}
if (this.availableExternalCommentsPanel) {
this.eventEmitter.publish('annotationShapeCreated.' + this.windowId, [this, shape]);
return;
}
var _this = this;