141 lines
3.8 KiB
JavaScript
141 lines
3.8 KiB
JavaScript
var tokenRegex = /\{([^\}]+)\}/g,
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objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g,
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replacer = function( all, key, obj ) {
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var res = obj;
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key.replace( objNotationRegex, function( all, name, quote, quotedName, isFunc ) {
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name = name || quotedName;
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if ( res ) {
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if ( name in res ) {
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res = res[name];
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}
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typeof res === 'function' && isFunc && ( res = res() );
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}
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} );
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res = ( res == null || res == obj ? all : res ) + '';
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return res;
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},
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fill = function( str, obj ) {
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return String( str ).replace( tokenRegex, function( all, key ) {
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return replacer( all, key, obj );
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} );
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};
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Raphael.fn.popup = function( X, Y, set, pos, ret ) {
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pos = String( pos || 'top-middle' ).split( '-' );
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pos[1] = pos[1] || 'middle';
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var r = 5,
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bb = set.getBBox(),
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w = Math.round( bb.width ),
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h = Math.round( bb.height ),
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x = Math.round( bb.x ) - r,
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y = Math.round( bb.y ) - r,
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gap = Math.min( h / 2, w / 2, 10 ),
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shapes = {
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top: 'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}l-{right},0-{gap},{gap}-{gap}-{gap}-{left},0a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',
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bottom: 'M{x},{y}l{left},0,{gap}-{gap},{gap},{gap},{right},0a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',
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right: 'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}l0-{bottom}-{gap}-{gap},{gap}-{gap},0-{top}a{r},{r},0,0,1,{r}-{r}z',
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left: 'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}l0,{top},{gap},{gap}-{gap},{gap},0,{bottom}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',
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},
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offset = {
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hx0: X - ( x + r + w - gap * 2 ),
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hx1: X - ( x + r + w / 2 - gap ),
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hx2: X - ( x + r + gap ),
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vhy: Y - ( y + r + h + r + gap ),
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'^hy': Y - ( y - gap ),
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},
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mask = [ {
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x: x + r,
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y: y,
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w: w,
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w4: w / 4,
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h4: h / 4,
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right: 0,
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left: w - gap * 2,
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bottom: 0,
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top: h - gap * 2,
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r: r,
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h: h,
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gap: gap,
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}, {
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x: x + r,
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y: y,
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w: w,
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w4: w / 4,
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h4: h / 4,
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left: w / 2 - gap,
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right: w / 2 - gap,
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top: h / 2 - gap,
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bottom: h / 2 - gap,
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r: r,
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h: h,
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gap: gap,
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}, {
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x: x + r,
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y: y,
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w: w,
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w4: w / 4,
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h4: h / 4,
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left: 0,
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right: w - gap * 2,
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top: 0,
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bottom: h - gap * 2,
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r: r,
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h: h,
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gap: gap,
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} ][pos[1] == 'middle' ? 1 : ( pos[1] == 'top' || pos[1] == 'left' ) * 2];
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var dx = 0,
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dy = 0,
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out = this.path( fill( shapes[pos[0]], mask ) ).insertBefore( set );
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switch ( pos[0] ) {
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case 'top':
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dx = X - ( x + r + mask.left + gap );
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dy = Y - ( y + r + h + r + gap );
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break;
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case 'bottom':
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dx = X - ( x + r + mask.left + gap );
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dy = Y - ( y - gap );
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break;
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case 'left':
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dx = X - ( x + r + w + r + gap );
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dy = Y - ( y + r + mask.top + gap );
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break;
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case 'right':
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dx = X - ( x - gap );
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dy = Y - ( y + r + mask.top + gap );
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break;
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}
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out.translate( dx, dy );
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if ( ret ) {
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ret = out.attr( 'path' );
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out.remove();
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return {
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path: ret,
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dx: dx,
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dy: dy,
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};
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}
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set.translate( dx, dy );
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return out;
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};
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function getAnchors( p1x, p1y, p2x, p2y, p3x, p3y ) {
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var l1 = ( p2x - p1x ) / 2,
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l2 = ( p3x - p2x ) / 2,
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a = Math.atan( ( p2x - p1x ) / Math.abs( p2y - p1y ) ),
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b = Math.atan( ( p3x - p2x ) / Math.abs( p2y - p3y ) );
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a = p1y < p2y ? Math.PI - a : a;
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b = p3y < p2y ? Math.PI - b : b;
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var alpha = Math.PI / 2 - ( ( a + b ) % ( Math.PI * 2 ) ) / 2,
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dx1 = l1 * Math.sin( alpha + a ),
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dy1 = l1 * Math.cos( alpha + a ),
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dx2 = l2 * Math.sin( alpha + b ),
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dy2 = l2 * Math.cos( alpha + b );
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return {
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x1: p2x - dx1,
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y1: p2y + dy1,
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x2: p2x + dx2,
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y2: p2y + dy2,
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};
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}
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