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Uses jQuery and $.ajax Owner can delete questions with AJAX (Fix #16) At php, checks if owner exists before printing head (but doesn't have a title or stylesheet for termination) Added some open graph tags (#15)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,107 +1,100 @@ | ||
| $(document).ready(function() { | ||
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| var xhrb = new XMLHttpRequest(); | ||
| var xhrf = new XMLHttpRequest(); | ||
| var xhrd = new XMLHttpRequest(); | ||
| var qContainer = $('#qContainer');//document.getElementById('qContainer'); | ||
| var showMore = $('#showMore');// document.getElementById('showMore'); | ||
| var qContainer = $('#qContainer'); | ||
| var showMore = $('#showMore'); | ||
| var butSubmit = $('form.ask input[type="submit"]'); | ||
| var owner = document.body.getAttribute('data-owner'); | ||
| var offset = 10; | ||
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| //handle show more button | ||
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| xhrb.onreadystatechange = function(){ | ||
| if (xhrb.readyState === 4){ //Ready state 4 means the request is done | ||
| if (xhrb.status === 204 || | ||
| xhrb.responseText.indexOf('data-last="1"') !== -1) //an den uparxei allo | ||
| showMore.remove(); | ||
| else { | ||
| showMore.prop({disabled: false}); | ||
| showMore.html('Show More'); | ||
| } | ||
| qContainer.append(xhrb.responseText); | ||
| offset += 10; | ||
| } | ||
| function showMoreOK(data, status){ | ||
| if (status ==='nocontent'||data.indexOf('<div data-last')!==-1) | ||
| showMore.remove(); | ||
| else | ||
| showMore.prop('disabled', false).html('Show More'); | ||
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| qContainer.append(data); | ||
| offset += 10; | ||
| } | ||
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| if (showMore) showMore.click(function(){ | ||
| showMore.prop({disabled: true}); | ||
| showMore.html('Loading'); | ||
| showMore.click(function(){ | ||
| showMore.prop('disabled', true).html('Loading...'); | ||
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| var page = 'loadquestions.php?user=' + owner + | ||
| '&offset=' + offset; | ||
| xhrb.open('GET', page, true); | ||
| xhrb.send(); | ||
| var page = 'loadquestions.php?user=' + | ||
| owner + '&offset=' + offset; | ||
| $.get(page, showMoreOK); | ||
| }); | ||
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| //handle form submitting | ||
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| xhrf.onreadystatechange = function(){ | ||
| var butSubmit = document.askForm.inpSubmit; | ||
| if (xhrf.readyState === 4){ //Ready state 4 means the request is done | ||
| butSubmit.disabled = false; | ||
| butSubmit.value = null; //browser default | ||
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| if (xhrf.status !== 200 || xhrf.getResponseHeader('x-error-descr')){ | ||
| descr = xhrf.getResponseHeader('x-error-descr'); | ||
| alert('Your question was not submitted. ' + descr); | ||
| } else | ||
| document.askForm.outerHTML = '<div id="success">Your question has '+ | ||
| 'been submitted! <a href="user/'+ owner +'">Ask another one</a></div>'; | ||
| //TODO maybe overlay and then hide the top layer to avoid reloading | ||
| } | ||
| function askOK(){ | ||
| butSubmit.prop('disabled', false).html('Submit'); | ||
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| document.askForm.reset(); | ||
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| document.askForm.outerHTML = '<div id="success">Your question has '+ | ||
| 'been submitted! <a href="user/'+ owner +'">Ask another one</a></div>'; | ||
| //TODO maybe overlay and then hide the top layer to avoid reloading | ||
| } | ||
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| if (document.askForm) document.askForm.onsubmit = function(){ | ||
| if (!this.question.value.trim()){ | ||
| alert('Please enter your question'); | ||
| return false; | ||
| } | ||
| var question = encodeURIComponent(this.question.value); | ||
| var publicasker =(this.pubAsk && this.pubAsk.checked)? 1:''; | ||
| var touser = encodeURIComponent(owner); | ||
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| butSubmit.disabled = true; | ||
| butSubmit.value = 'Loading'; | ||
| butSubmit.prop('disabled', true).html('Submitting...'); | ||
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| xhrf.open('POST', 'sent.php', true); | ||
| xhrf.setRequestHeader("Content-type", | ||
| "application/x-www-form-urlencoded"); | ||
| xhrf.send("question=" + question + '&to=' + | ||
| touser + '&pubAsk=' + publicasker); | ||
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| return false; //mhn upobaleis kanonika | ||
| $.post('sent.php', $('form.ask').serialize(), askOK); | ||
| return false; | ||
| } | ||
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| //handle delete links | ||
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| xhrd.onreadystatechange = function(){ | ||
| if (xhrd.readyState === 4){ //Ready state 4 means the request is done | ||
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| if (xhrd.status !== 200 || xhrd.getResponseHeader('x-error-descr')){ | ||
| descr = xhrd.getResponseHeader('x-error-descr'); | ||
| alert('The question was not deleted. ' + descr); | ||
| } else if(xhrd.responseText.indexOf('<div id="success">') !== -1) | ||
| alert('The question was deleted successfully!'); | ||
| } | ||
| function deleteOK(data, status, xhr){ | ||
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| if (data.indexOf('<div id="success">') !== -1){ | ||
| //alert('The question was deleted successfully!'); | ||
| //is it obvious enough to omit the alert? | ||
| xhr.question.slideUp(); | ||
| } else | ||
| alert("Something went wrong, the question was not deleted. That's all we know"); | ||
| } | ||
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| if ($('.deleteq').length) | ||
| $('#qContainer').on('click', 'a.deleteq', function(e){ | ||
| if (!confirm('Delete this question?')) return false; | ||
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| var qElement = $(this).parents('.question'); | ||
| var page = this.href + '&del=1'; | ||
| xhrd.open('GET', page, true); | ||
| xhrd.send(); | ||
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| $.get(page, deleteOK).question = qElement; | ||
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| return false; | ||
| }); | ||
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| //error listener for all XHRs | ||
| $(document).ajaxError(function(event, xhr, settings){ | ||
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| var errorType; | ||
| if (settings.type === 'POST') | ||
| errorType = 'submit your question'; | ||
| else if (settings.url.indexOf('?user=') !==-1) | ||
| errorType = 'load more questions'; | ||
| else | ||
| errorType = 'delete this question'; | ||
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| var errorMsg = 'Unfortynately we could not ' + errorType + | ||
| '. ' + xhr.getResponseHeader('X-Error-Descr'); | ||
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| alert(errorMsg); | ||
| console.warn(xhr.getResponseHeader('X-Error-Descr')); | ||
| }); | ||
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| }); | ||
| }); |
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