equal
deleted
inserted
replaced
1 /* |
1 /* |
2 * AJAX applets |
2 * AJAX applets |
3 */ |
3 */ |
4 |
4 |
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5 function ajaxMakeXHR() |
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6 { |
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7 var ajax; |
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8 if (window.XMLHttpRequest) { |
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9 ajax = new XMLHttpRequest(); |
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10 } else { |
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11 if (window.ActiveXObject) { |
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12 ajax = new ActiveXObject("Microsoft.XMLHTTP"); |
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13 } else { |
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14 alert('Enano client-side runtime error: No AJAX support, unable to continue'); |
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15 return; |
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16 } |
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17 } |
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18 return ajax; |
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19 } |
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20 |
5 function ajaxGet(uri, f, call_editor_safe) { |
21 function ajaxGet(uri, f, call_editor_safe) { |
6 // Is the editor open? |
22 // Is the editor open? |
7 if ( editor_open && !call_editor_safe ) |
23 if ( editor_open && !call_editor_safe ) |
8 { |
24 { |
9 // Make sure the user is willing to close the editor |
25 // Make sure the user is willing to close the editor |
16 } |
32 } |
17 // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation. |
33 // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation. |
18 editor_open = false; |
34 editor_open = false; |
19 enableUnload(); |
35 enableUnload(); |
20 } |
36 } |
21 if (window.XMLHttpRequest) { |
37 ajax = ajaxMakeXHR(); |
22 ajax = new XMLHttpRequest(); |
38 if ( !ajax ) |
23 } else { |
39 { |
24 if (window.ActiveXObject) { |
40 console.error('ajaxMakeXHR() failed'); |
25 ajax = new ActiveXObject("Microsoft.XMLHTTP"); |
41 return false; |
26 } else { |
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27 alert('Enano client-side runtime error: No AJAX support, unable to continue'); |
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28 return; |
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29 } |
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30 } |
42 } |
31 ajax.onreadystatechange = f; |
43 ajax.onreadystatechange = f; |
32 ajax.open('GET', uri, true); |
44 ajax.open('GET', uri, true); |
33 ajax.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" ); |
45 ajax.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" ); |
34 ajax.send(null); |
46 ajax.send(null); |
48 } |
60 } |
49 // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation. |
61 // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation. |
50 editor_open = false; |
62 editor_open = false; |
51 enableUnload(); |
63 enableUnload(); |
52 } |
64 } |
53 if (window.XMLHttpRequest) { |
65 ajax = ajaxMakeXHR(); |
54 ajax = new XMLHttpRequest(); |
66 if ( !ajax ) |
55 } else { |
67 { |
56 if (window.ActiveXObject) { |
68 console.error('ajaxMakeXHR() failed'); |
57 ajax = new ActiveXObject("Microsoft.XMLHTTP"); |
69 return false; |
58 } else { |
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59 alert('Enano client-side runtime error: No AJAX support, unable to continue'); |
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60 return; |
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61 } |
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62 } |
70 } |
63 ajax.onreadystatechange = f; |
71 ajax.onreadystatechange = f; |
64 ajax.open('POST', uri, true); |
72 ajax.open('POST', uri, true); |
65 ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); |
73 ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); |
66 // Setting Content-length in Safari triggers a warning |
74 // Setting Content-length in Safari triggers a warning |