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author | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
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committer | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
commit | ea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch) | |
tree | af67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/lib/OpenLayers/Control/DrawFeature.js | |
parent | 59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff) | |
download | postrunner-0.0.4.zip |
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Control/DrawFeature.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Control/DrawFeature.js | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Control/DrawFeature.js b/misc/openlayers/lib/OpenLayers/Control/DrawFeature.js new file mode 100644 index 0000000..b0afc71 --- /dev/null +++ b/misc/openlayers/lib/OpenLayers/Control/DrawFeature.js @@ -0,0 +1,229 @@ +/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for + * full list of contributors). Published under the 2-clause BSD license. + * See license.txt in the OpenLayers distribution or repository for the + * full text of the license. */ + + +/** + * @requires OpenLayers/Control.js + * @requires OpenLayers/Feature/Vector.js + */ + +/** + * Class: OpenLayers.Control.DrawFeature + * The DrawFeature control draws point, line or polygon features on a vector + * layer when active. + * + * Inherits from: + * - <OpenLayers.Control> + */ +OpenLayers.Control.DrawFeature = OpenLayers.Class(OpenLayers.Control, { + + /** + * Property: layer + * {<OpenLayers.Layer.Vector>} + */ + layer: null, + + /** + * Property: callbacks + * {Object} The functions that are sent to the handler for callback + */ + callbacks: null, + + /** + * APIProperty: events + * {<OpenLayers.Events>} Events instance for listeners and triggering + * control specific events. + * + * Register a listener for a particular event with the following syntax: + * (code) + * control.events.register(type, obj, listener); + * (end) + * + * Supported event types (in addition to those from <OpenLayers.Control.events>): + * featureadded - Triggered when a feature is added + */ + + /** + * APIProperty: multi + * {Boolean} Cast features to multi-part geometries before passing to the + * layer. Default is false. + */ + multi: false, + + /** + * APIProperty: featureAdded + * {Function} Called after each feature is added + */ + featureAdded: function() {}, + + /** + * APIProperty: handlerOptions + * {Object} Used to set non-default properties on the control's handler + */ + + /** + * Constructor: OpenLayers.Control.DrawFeature + * + * Parameters: + * layer - {<OpenLayers.Layer.Vector>} + * handler - {<OpenLayers.Handler>} + * options - {Object} + */ + initialize: function(layer, handler, options) { + OpenLayers.Control.prototype.initialize.apply(this, [options]); + this.callbacks = OpenLayers.Util.extend( + { + done: this.drawFeature, + modify: function(vertex, feature) { + this.layer.events.triggerEvent( + "sketchmodified", {vertex: vertex, feature: feature} + ); + }, + create: function(vertex, feature) { + this.layer.events.triggerEvent( + "sketchstarted", {vertex: vertex, feature: feature} + ); + } + }, + this.callbacks + ); + this.layer = layer; + this.handlerOptions = this.handlerOptions || {}; + this.handlerOptions.layerOptions = OpenLayers.Util.applyDefaults( + this.handlerOptions.layerOptions, { + renderers: layer.renderers, rendererOptions: layer.rendererOptions + } + ); + if (!("multi" in this.handlerOptions)) { + this.handlerOptions.multi = this.multi; + } + var sketchStyle = this.layer.styleMap && this.layer.styleMap.styles.temporary; + if(sketchStyle) { + this.handlerOptions.layerOptions = OpenLayers.Util.applyDefaults( + this.handlerOptions.layerOptions, + {styleMap: new OpenLayers.StyleMap({"default": sketchStyle})} + ); + } + this.handler = new handler(this, this.callbacks, this.handlerOptions); + }, + + /** + * Method: drawFeature + */ + drawFeature: function(geometry) { + var feature = new OpenLayers.Feature.Vector(geometry); + var proceed = this.layer.events.triggerEvent( + "sketchcomplete", {feature: feature} + ); + if(proceed !== false) { + feature.state = OpenLayers.State.INSERT; + this.layer.addFeatures([feature]); + this.featureAdded(feature); + this.events.triggerEvent("featureadded",{feature : feature}); + } + }, + + /** + * APIMethod: insertXY + * Insert a point in the current sketch given x & y coordinates. + * + * Parameters: + * x - {Number} The x-coordinate of the point. + * y - {Number} The y-coordinate of the point. + */ + insertXY: function(x, y) { + if (this.handler && this.handler.line) { + this.handler.insertXY(x, y); + } + }, + + /** + * APIMethod: insertDeltaXY + * Insert a point given offsets from the previously inserted point. + * + * Parameters: + * dx - {Number} The x-coordinate offset of the point. + * dy - {Number} The y-coordinate offset of the point. + */ + insertDeltaXY: function(dx, dy) { + if (this.handler && this.handler.line) { + this.handler.insertDeltaXY(dx, dy); + } + }, + + /** + * APIMethod: insertDirectionLength + * Insert a point in the current sketch given a direction and a length. + * + * Parameters: + * direction - {Number} Degrees clockwise from the positive x-axis. + * length - {Number} Distance from the previously drawn point. + */ + insertDirectionLength: function(direction, length) { + if (this.handler && this.handler.line) { + this.handler.insertDirectionLength(direction, length); + } + }, + + /** + * APIMethod: insertDeflectionLength + * Insert a point in the current sketch given a deflection and a length. + * The deflection should be degrees clockwise from the previously + * digitized segment. + * + * Parameters: + * deflection - {Number} Degrees clockwise from the previous segment. + * length - {Number} Distance from the previously drawn point. + */ + insertDeflectionLength: function(deflection, length) { + if (this.handler && this.handler.line) { + this.handler.insertDeflectionLength(deflection, length); + } + }, + + /** + * APIMethod: undo + * Remove the most recently added point in the current sketch geometry. + * + * Returns: + * {Boolean} An edit was undone. + */ + undo: function() { + return this.handler.undo && this.handler.undo(); + }, + + /** + * APIMethod: redo + * Reinsert the most recently removed point resulting from an <undo> call. + * The undo stack is deleted whenever a point is added by other means. + * + * Returns: + * {Boolean} An edit was redone. + */ + redo: function() { + return this.handler.redo && this.handler.redo(); + }, + + /** + * APIMethod: finishSketch + * Finishes the sketch without including the currently drawn point. + * This method can be called to terminate drawing programmatically + * instead of waiting for the user to end the sketch. + */ + finishSketch: function() { + this.handler.finishGeometry(); + }, + + /** + * APIMethod: cancel + * Cancel the current sketch. This removes the current sketch and keeps + * the drawing control active. + */ + cancel: function() { + this.handler.cancel(); + }, + + CLASS_NAME: "OpenLayers.Control.DrawFeature" +}); |