mirror of
https://github.com/openseadragon/openseadragon.git
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Another checkpoint
This commit is contained in:
houseofyin
parent
3b2bde2940
commit
3e2b337a52
208
src/navigator.js
208
src/navigator.js
@ -52,29 +52,31 @@ $.Navigator = function( options ){
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options.minPixelRatio = this.minPixelRatio = viewer.minPixelRatio;
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(function( style ){
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style.marginTop = '0px';
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style.marginRight = '0px';
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style.marginBottom = '0px';
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style.marginLeft = '0px';
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style.border = '2px solid #555';
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this.viewerDimensionsInPoints = viewer.viewport.deltaPointsFromPixels($.getElementSize( viewer.element));
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this.borderWidth = 2;
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(function( style, borderWidth ){
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style.margin = '0px';
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style.border = borderWidth + 'px solid #555';
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style.padding = '0px';
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style.background = '#000';
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style.opacity = 0.8;
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style.overflow = 'hidden';
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}( this.element.style ));
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}( this.element.style, this.borderWidth));
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this.displayRegion = $.makeNeutralElement( "textarea" );
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this.displayRegion = $.makeNeutralElement( "div" );
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this.displayRegion.id = this.element.id + '-displayregion';
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this.displayRegion.className = 'displayregion';
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(function( style ){
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(function( style, borderWidth ){
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style.position = 'relative';
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style.top = '0px';
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style.left = '0px';
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style.fontSize = '0px';
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style.overflow = 'hidden';
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style.border = '2px solid #900';
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style.border = borderWidth + 'px solid #900';
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style.margin = '0px';
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style.padding = '0px';
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//TODO: IE doesnt like this property being set
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//try{ style.outline = '2px auto #909'; }catch(e){/*ignore*/}
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@ -89,10 +91,13 @@ $.Navigator = function( options ){
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style.styleFloat = 'left'; //IE
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style.zIndex = 999999999;
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style.cursor = 'default';
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}( this.displayRegion.style ));
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}( this.displayRegion.style, this.borderWidth ));
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this.element.innerTracker = new $.MouseTracker({
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element: this.element,
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clickHandler: $.delegate( this, onCanvasClick ),
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releaseHandler: $.delegate( this, onCanvasRelease ),
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scrollHandler: function(){
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//dont scroll the page up and down if the user is scrolling
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//in the navigator
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@ -104,77 +109,81 @@ $.Navigator = function( options ){
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element: this.displayRegion,
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clickTimeThreshold: this.clickTimeThreshold,
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clickDistThreshold: this.clickDistThreshold,
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clickHandler: $.delegate( this, onCanvasClick ),
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// clickHandler: $.delegate( this, onCanvasClick ),
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dragHandler: $.delegate( this, onCanvasDrag ),
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releaseHandler: $.delegate( this, onCanvasRelease ),
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scrollHandler: $.delegate( this, onCanvasScroll ),
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focusHandler: function(){
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var point = $.getElementPosition( _this.viewer.element );
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scrollHandler: $.delegate( this, onCanvasScroll )
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window.scrollTo( 0, point.y );
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_this.viewer.setControlsEnabled( true );
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(function( style ){
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style.border = '2px solid #437AB2';
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//style.outline = '2px auto #437AB2';
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}( this.element.style ));
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},
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blurHandler: function(){
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_this.viewer.setControlsEnabled( false );
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(function( style ){
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style.border = '2px solid #900';
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//style.outline = '2px auto #900';
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}( this.element.style ));
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},
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keyHandler: function(tracker, keyCode, shiftKey){
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//console.log( keyCode );
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switch( keyCode ){
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case 61://=|+
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_this.viewer.viewport.zoomBy(1.1);
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_this.viewer.viewport.applyConstraints();
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return false;
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case 45://-|_
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_this.viewer.viewport.zoomBy(0.9);
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_this.viewer.viewport.applyConstraints();
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return false;
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case 48://0|)
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_this.viewer.viewport.goHome();
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_this.viewer.viewport.applyConstraints();
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return false;
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case 119://w
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case 87://W
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case 38://up arrow
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if (shiftKey)
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_this.viewer.viewport.zoomBy(1.1);
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else
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_this.viewer.viewport.panBy(new $.Point(0, -0.05));
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_this.viewer.viewport.applyConstraints();
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return false;
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case 115://s
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case 83://S
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case 40://down arrow
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if (shiftKey)
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_this.viewer.viewport.zoomBy(0.9);
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else
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_this.viewer.viewport.panBy(new $.Point(0, 0.05));
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_this.viewer.viewport.applyConstraints();
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return false;
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case 97://a
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case 37://left arrow
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_this.viewer.viewport.panBy(new $.Point(-0.05, 0));
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_this.viewer.viewport.applyConstraints();
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return false;
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case 100://d
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case 39://right arrow
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_this.viewer.viewport.panBy(new $.Point(0.05, 0));
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_this.viewer.viewport.applyConstraints();
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return false;
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default:
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//console.log( 'navigator keycode %s', keyCode );
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return true;
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}
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}
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// focusHandler: function(){
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// var point = $.getElementPosition( _this.viewer.element );
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//
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// window.scrollTo( 0, point.y );
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//
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//// _this.viewer.setControlsEnabled( true );
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// (function( style ){
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// style.border = '2px solid #437AB2';
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// //style.outline = '2px auto #437AB2';
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// }( this.element.style ));
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//
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// },
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// blurHandler: function(){
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//// _this.viewer.setControlsEnabled( false );
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// (function( style ){
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// style.border = '2px solid #900';
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// //style.outline = '2px auto #900';
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// }( this.element.style ));
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// },
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// keyHandler: function(tracker, keyCode, shiftKey){
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// //console.log( keyCode );
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// switch( keyCode ){
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// case 61://=|+
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// _this.viewer.viewport.zoomBy(1.1);
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 45://-|_
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// _this.viewer.viewport.zoomBy(0.9);
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 48://0|)
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// _this.viewer.viewport.goHome();
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 119://w
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// case 87://W
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// case 38://up arrow
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// if (shiftKey)
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// _this.viewer.viewport.zoomBy(1.1);
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// else
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// _this.viewer.viewport.panBy(new $.Point(0, -0.05));
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 115://s
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// case 83://S
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// case 40://down arrow
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// if (shiftKey)
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// _this.viewer.viewport.zoomBy(0.9);
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// else
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// _this.viewer.viewport.panBy(new $.Point(0, 0.05));
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 97://a
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// case 37://left arrow
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// _this.viewer.viewport.panBy(new $.Point(-0.05, 0));
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// case 100://d
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// case 39://right arrow
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// _this.viewer.viewport.panBy(new $.Point(0.05, 0));
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// _this.viewer.viewport.applyConstraints();
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// return false;
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// default:
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// //console.log( 'navigator keycode %s', keyCode );
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// return true;
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// }
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// }
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}).setTracking( true ); // default state
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/*this.displayRegion.outerTracker = new $.MouseTracker({
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@ -224,35 +233,61 @@ $.extend( $.Navigator.prototype, $.EventHandler.prototype, $.Viewer.prototype, {
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bottomright = this.viewport.pixelFromPoint( bounds.getBottomRight() );
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//update style for navigator-box
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(function(style){
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(function(style, borderWidth){
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style.top = topleft.y + 'px';
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style.left = topleft.x + 'px';
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var width = Math.abs( topleft.x - bottomright.x ) - 3; // TODO: What does this magic number mean?
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var height = Math.abs( topleft.y - bottomright.y ) - 3;
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var width = Math.abs( topleft.x - bottomright.x ) - (borderWidth);
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var height = Math.abs( topleft.y - bottomright.y ) - (borderWidth);
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// make sure width and height are non-negative so IE doesn't throw
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style.width = Math.max( width, 0 ) + 'px';
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style.height = Math.max( height, 0 ) + 'px';
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}( this.displayRegion.style ));
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}( this.displayRegion.style, this.borderWidth));
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}
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}
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});
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/**
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* @private
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* @inner
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* @function
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*/
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function onCanvasClick( tracker, position, quick, shift ) {
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this.displayRegion.focus();
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var theNewBounds;
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var positionInPoints;
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var dimensionsInPoints;
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var contentAspectRatio = this.viewer.source.dimensions.x / this.viewer.source.dimensions.y;
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if (! this.drag)
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{
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if ( this.viewer.viewport ) {
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positionInPoints = this.viewport.deltaPointsFromPixels(position);
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dimensionsInPoints = this.viewer.viewport.getBounds().getSize();
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theNewBounds = new $.Rect(
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positionInPoints.x,
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positionInPoints.y,
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dimensionsInPoints.x,
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dimensionsInPoints.y
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);
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if (contentAspectRatio > this.viewer.viewport.getAspectRatio())
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{
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theNewBounds.y = theNewBounds.y - ((this.viewerDimensionsInPoints.y - (1/contentAspectRatio)) /2 );
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}
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else {
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theNewBounds.x = theNewBounds.x - ((this.viewerDimensionsInPoints.x -1) /2 );
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}
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this.viewer.viewport.fitBounds(theNewBounds);
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}
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}
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else
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{
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this.drag = false;
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}
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}
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/**
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* @private
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* @inner
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@ -260,6 +295,7 @@ function onCanvasClick( tracker, position, quick, shift ) {
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*/
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function onCanvasDrag( tracker, position, delta, shift ) {
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if ( this.viewer.viewport ) {
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this.drag = true;
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if( !this.panHorizontal ){
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delta.x = 0;
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}
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