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/* -*- js-indent-level: 8 -*- */
/*
* Writer tile layer is used to display a text document
*/
/* global */
L.WriterTileLayer = L.TileLayer.extend({
newAnnotation: function (comment) {
if (!comment.anchorPos && this._map._isCursorVisible) {
comment.anchorPos = L.bounds(this._latLngToTwips(this._visibleCursor.getSouthWest()),
this._latLngToTwips(this._visibleCursor.getNorthEast()));
comment.anchorPix = this._twipsToPixels(comment.anchorPos.min);
} else if (this._graphicSelection && !this._isEmptyRectangle(this._graphicSelection)) {
// An image is selected, then guess the anchor based on the graphic
// selection.
comment.anchorPos = L.bounds(this._latLngToTwips(this._graphicSelection.getSouthWest()),
this._latLngToTwips(this._graphicSelection.getNorthEast()));
comment.anchorPix = this._twipsToPixels(comment.anchorPos.min);
}
if (comment.anchorPos) {
this._annotations.modify(this._annotations.add(comment));
}
if (window.mode.isMobile() || window.mode.isTablet()) {
var that = this;
this.newAnnotationVex(comment, function(annotation) { that._annotations._onAnnotationSave(annotation); });
}
},
clearAnnotations: function() {
if (this._annotations) {
this._annotations.clear();
this._annotations.clearChanges();
}
},
onRemove: function (map) {
map.off('updatemaxbounds', this._onUpdateMaxBounds, this);
},
beforeAdd: function (map) {
map.uiManager.initializeSpecializedUI('text');
},
onAdd: function (map) {
L.TileLayer.prototype.onAdd.call(this, map);
this._annotations = L.annotationManager(map);
map.on('updatemaxbounds', this._onUpdateMaxBounds, this);
},
onAnnotationModify: function (annotation) {
if (window.mode.isMobile() || window.mode.isTablet()) {
var that = this;
this.newAnnotationVex(annotation, function(annotation) { that._annotations._onAnnotationSave(annotation); }, /* isMod */ true);
} else {
this._annotations.modify(annotation);
}
},
layoutAnnotations: function () {
this._annotations.layout();
},
unselectAnnotations: function () {
if (this._annotations) {
this._annotations.unselect();
}
},
onAnnotationRemove: function (id) {
this._annotations.remove(id);
},
onAnnotationReply: function (annotation) {
this._annotations.reply(annotation);
},
onAnnotationResolve: function (annotation) {
this._annotations.resolve(annotation);
},
onChangeAccept: function(id) {
this._annotations.acceptChange(id);
},
onChangeReject: function(id) {
this._annotations.rejectChange(id);
},
_onCommandValuesMsg: function (textMsg) {
var braceIndex = textMsg.indexOf('{');
if (braceIndex < 0) {
return;
}
var values = JSON.parse(textMsg.substring(braceIndex));
if (!values) {
return;
}
if (values.comments) {
this._annotations.fill(values.comments);
}
else if (values.redlines) {
this._annotations.fillChanges(values.redlines);
}
else {
L.TileLayer.prototype._onCommandValuesMsg.call(this, textMsg);
}
},
_onMessage: function (textMsg, img) {
if (textMsg.startsWith('comment:')) {
var obj = JSON.parse(textMsg.substring('comment:'.length + 1));
this._annotations.onACKComment(obj);
}
else if (textMsg.startsWith('redlinetablemodified:')) {
obj = JSON.parse(textMsg.substring('redlinetablemodified:'.length + 1));
this._annotations.onACKComment(obj);
}
else if (textMsg.startsWith('redlinetablechanged:')) {
obj = JSON.parse(textMsg.substring('redlinetablechanged:'.length + 1));
this._annotations.onACKComment(obj);
}
else {
L.TileLayer.prototype._onMessage.call(this, textMsg, img);
}
},
_onInvalidateTilesMsg: function (textMsg) {
var command = this._map._socket.parseServerCmd(textMsg);
if (command.x === undefined || command.y === undefined || command.part === undefined) {
var strTwips = textMsg.match(/\d+/g);
command.x = parseInt(strTwips[0]);
command.y = parseInt(strTwips[1]);
command.width = parseInt(strTwips[2]);
command.height = parseInt(strTwips[3]);
command.part = this._selectedPart;
}
command.part = 0;
var topLeftTwips = new L.Point(command.x, command.y);
var offset = new L.Point(command.width, command.height);
var bottomRightTwips = topLeftTwips.add(offset);
if (this._debug) {
this._debugAddInvalidationRectangle(topLeftTwips, bottomRightTwips, textMsg);
}
var invalidBounds = new L.Bounds(topLeftTwips, bottomRightTwips);
var visibleTopLeft = this._latLngToTwips(this._map.getBounds().getNorthWest());
var visibleBottomRight = this._latLngToTwips(this._map.getBounds().getSouthEast());
var visibleArea = new L.Bounds(visibleTopLeft, visibleBottomRight);
var needsNewTiles = false;
for (var key in this._tiles) {
var coords = this._tiles[key].coords;
var tileTopLeft = this._coordsToTwips(coords);
var tileBottomRight = new L.Point(this._tileWidthTwips, this._tileHeightTwips);
var bounds = new L.Bounds(tileTopLeft, tileTopLeft.add(tileBottomRight));
if (coords.part === command.part && invalidBounds.intersects(bounds)) {
if (this._tiles[key]._invalidCount) {
this._tiles[key]._invalidCount += 1;
}
else {
this._tiles[key]._invalidCount = 1;
}
if (visibleArea.intersects(bounds)) {
needsNewTiles = true;
if (this._debug) {
this._debugAddInvalidationData(this._tiles[key]);
}
}
else {
// tile outside of the visible area, just remove it
this._removeTile(key);
}
}
}
if (needsNewTiles && this._debug)
{
this._debugAddInvalidationMessage(textMsg);
}
for (key in this._tileCache) {
// compute the rectangle that each tile covers in the document based
// on the zoom level
coords = this._keyToTileCoords(key);
var scale = this._map.getZoomScale(coords.z);
topLeftTwips = new L.Point(
this.options.tileWidthTwips / scale * coords.x,
this.options.tileHeightTwips / scale * coords.y);
bottomRightTwips = topLeftTwips.add(new L.Point(
this.options.tileWidthTwips / scale,
this.options.tileHeightTwips / scale));
bounds = new L.Bounds(topLeftTwips, bottomRightTwips);
if (invalidBounds.intersects(bounds)) {
delete this._tileCache[key];
}
}
this._previewInvalidations.push(invalidBounds);
// 1s after the last invalidation, update the preview
clearTimeout(this._previewInvalidator);
this._previewInvalidator = setTimeout(L.bind(this._invalidatePreviews, this), this.options.previewInvalidationTimeout);
},
_onSetPartMsg: function (textMsg) {
var part = parseInt(textMsg.match(/\d+/g)[0]);
if (part !== this._selectedPart) {
this._currentPage = part;
this._map.fire('pagenumberchanged', {
currentPage: part,
pages: this._pages,
docType: this._docType
});
}
},
_onStatusMsg: function (textMsg) {
var command = this._map._socket.parseServerCmd(textMsg);
if (!command.width || !command.height || this._documentInfo === textMsg)
return;
var sizeChanged = command.width !== this._docWidthTwips || command.height !== this._docHeightTwips;
if (sizeChanged) {
this._docWidthTwips = command.width;
this._docHeightTwips = command.height;
this._docType = command.type;
this._viewId = parseInt(command.viewid);
this._updateMaxBounds(true);
}
this._documentInfo = textMsg;
this._selectedPart = 0;
this._parts = 1;
this._currentPage = command.selectedPart;
this._pages = command.parts;
this._map.fire('pagenumberchanged', {
currentPage: this._currentPage,
pages: this._pages,
docType: this._docType
});
this._resetPreFetching(true);
this._update();
},
_onUpdateMaxBounds: function (e) {
this._updateMaxBounds(e.sizeChanged, e.extraSize);
}
});
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