File size: 2,769 Bytes
0936134 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | (function(ionic) {
'use strict';
ionic.views.HeaderBar = ionic.views.View.inherit({
initialize: function(opts) {
this.el = opts.el;
ionic.extend(this, {
alignTitle: 'center'
}, opts);
this.align();
},
align: function(align) {
align || (align = this.alignTitle);
// Find the titleEl element
var titleEl = this.el.querySelector('.title');
if(!titleEl) {
return;
}
var self = this;
//We have to rAF here so all of the elements have time to initialize
ionic.requestAnimationFrame(function() {
var i, c, childSize;
var childNodes = self.el.childNodes;
var leftWidth = 0;
var rightWidth = 0;
var isCountingRightWidth = false;
// Compute how wide the left children are
// Skip all titles (there may still be two titles, one leaving the dom)
// Once we encounter a titleEl, realize we are now counting the right-buttons, not left
for(i = 0; i < childNodes.length; i++) {
c = childNodes[i];
if (c.tagName && c.tagName.toLowerCase() == 'h1') {
isCountingRightWidth = true;
continue;
}
childSize = null;
if(c.nodeType == 3) {
var bounds = ionic.DomUtil.getTextBounds(c);
if(bounds) {
childSize = bounds.width;
}
} else if(c.nodeType == 1) {
childSize = c.offsetWidth;
}
if(childSize) {
if (isCountingRightWidth) {
rightWidth += childSize;
} else {
leftWidth += childSize;
}
}
}
var margin = Math.max(leftWidth, rightWidth) + 10;
//Reset left and right before setting again
titleEl.style.left = titleEl.style.right = '';
// Size and align the header titleEl based on the sizes of the left and
// right children, and the desired alignment mode
if(align == 'center') {
if(margin > 10) {
titleEl.style.left = margin + 'px';
titleEl.style.right = margin + 'px';
}
if(titleEl.offsetWidth < titleEl.scrollWidth) {
if(rightWidth > 0) {
titleEl.style.right = (rightWidth + 5) + 'px';
}
}
} else if(align == 'left') {
titleEl.classList.add('title-left');
if(leftWidth > 0) {
titleEl.style.left = (leftWidth + 15) + 'px';
}
} else if(align == 'right') {
titleEl.classList.add('title-right');
if(rightWidth > 0) {
titleEl.style.right = (rightWidth + 15) + 'px';
}
}
});
}
});
})(ionic);
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